Copy 3 ARMY FIED MANUA

DEPARTMENT OF THE FIELD

ARMYMANUAL

AUTHORITY HISTORICAL F-;

THE SIGNAL BATTALION

INFANTRY DIVISION

HEADQUARTERS, DEPARTMENT OF THE ARMY

JULY 1957
AGO 604BO-uly
 FM 11-10

FIELD MANUAL HEADQUARTERS,

DEPARTMENT OF THE ARMY
No. 11-10 WASHINGTON 25, D. C., 24 July 1957

THE SIGNAL BATTALION, INFANTRY DIVISION

Paragraph Page
CHAPTER 1. GENERAL
Purpose and scope-______.__.-______-____ 1 3
Mission ….___________._______--__-. 2 3
Strength and mobility _.____________-. 3 4
Control .___________-_-________
…___ 4 4
Assignment_ .. ......................--
5 4

CHAPTER 2. EMPLOYMENT AND CONTROL

Section I. Signal battalion, infantry division.
Authorization- ___________________.
.- 6 5
Battalion components -_. _. .......
...... 7 5
II. Area communication concept.
Basic communication requirements .… .__.____
8 5
Division area communication system .--. ...
9 6
Command control . . ...............10 8
Area signal center service… . . .........
11 8
Personnel utilization _.-----........ 12 10
III. Communications employment.
Communication control -________------- 13 10
Circuit control ……_________._______ . 14 11
Telephone central office …… _.._________ 15 11
Communication centers…_ -...............- 16 11
Radio relay- ____________._-- ____-- 17 13
Wire and cable installation_ ____________. 18 13
Radio nets…- ______.------ ... ---
____-.- 19 14
Radio/wire integration stations_ .......... 20 16
IV. Photographic and signal supply and mainte-
nance support.
Photography -___________ _____________- 21 19
Signal supply and maintenance . …_ ......- 22 19

CHAPTER 3. SIGNAL BATTALION ORGANIZATION

AND OPERATING TECHNIQUES
Section I. Headquarters and headquarters company.
General . _ . . ............--------
23 21
Method of operation .__. . ............ 24 21
Battalion headquarters --------------- ... 25 24
Headquarters company_ …___.__________. 26 24

AGO 604B 1
 Paragraph Page
Section II. Command operations company.
General _______ ____________________ 27 27
Company headquarters ..-- _________- _. 28 28
Command signal center platoon -. _____-__..__. 29 29
Rear echelon operations platoon … _ …_____.__30 33
Trains area operations platoon - -__________
___ 31 35
Brigade headquarters operations platoon .___-_. 32 36
III. Forward communications company.
General ________________ ______________ 33 37
Employment ___ - ____------------------ 34 37
Company headquarters _______----_______-_ 35 40
Battle group area support platoons . ........36 41
APPENDIX I. REFERENCES -_______________ __-----
. - 44
II. TYPICAL VEHICLE EMPLOYMENT -__---_ __ 47

2 AGO 604B
 CHAPTER 1
GENERAL

1. Purpose and Scope

a. This manual is prepared for use in training a signal battalion,
infantry division.
b. The manual contains information relative to the organization,
administration, and tactical employment of a signal battalion as
organized and equipped under TOE 11-5t. Chapter 2 is the prin-
cipal reference source for divisional commanders and their staffs
on the division level communication system and the support pro-
vided to division elements.
c. This manual also contains two appendixes: appendix I covers
references and appendix II covers the typical employment of the
vehicles of the battalion.
d. Forward comments on this publication to Commanding Officer,
United States Army Signal Publications Agency, Fort Monmouth,
N.J.
2. Mission
The mission of a signal battalion, infantry division is:
a. To provide signal communications for division headquarters,
division trains headquarters, the division adminstraton center, and
brigade headquarters. Staff vehicle radio sets are not provided by
the signal battalion.
b. To establish and operate an infantry division area-type com-
munication system.
c. To operate a ground messenger service within the division
area.
d. To provide photographic services (except air photography)
for the division, including ground and army air still picture labora-
tory service.
e. To provide signal supply and field maintenance of signal
equipment for the division.
f. To install and maintain communication facilities connecting
the battle group headquarters into the division area communication
system.
g. To provide terminal equipment to connect division artillery
headquarters into the area communication system.
AGO 604B 3
3. Strength and Mobility
a. The authorized strength of a signal battalion, infantry divi-
sion is given in TOE 11-5t and in changes thereto as published.
b. The signal battalion is approximately 80 percent mobile.
4. Control
Administrative and operational control of the signal battalion
is the responsibility of the battalion commander, who is also the
division signal officer (DSO).
5. Assignment
The signal battalion is assigned to an infantry division which
employs an area-type communication system in its operations.

4 AGO 604B
 CHAPTER 2
EMPLOYMENT AND CONTROL

Section I. SIGNAL BATTALION, INFANTRY DIVISION

6. Authorization
Personnel assigned to a signal battalion, infantry division are
authorized by TOE 11-5t.

7. Battalion Components
A signal battalion, infantry division (fig. 1) consists of:
Headquarters and headquarters company (TOE 11-6t
Command operations company (TOE 11-7t)
Forward communications company (TOE 11-8t)

I I
& HO|COMMAND
iCHO FORWARD
HO &
HO OPERATIONS COMMUNICATION
COMPANY COMPANY COMPANY
TrTo-I

Figure 1. Organizationof signal battalion, infantry division.

Section II. AREA COMMUNICATION CONCEPT

8. Basic Communication Requirements

The concept of the infantry division, through its emphasis on
operational flexibility, dispersion, and operation over greatly ex-
tended distances on a potential atomic battlefield, its incorporation
of a brigade headquarters and a structure of five battle groups,
its incorporation of a division trains organization, and its frequent
attachment of supporting units from higher echelons, has placed
increased demands on the division communication system and the
division signal unit.
a. Operational flexibility of the division requires an equally flex-
ible communication system. The system must be capable of being
quickly reconstituted to meet changes in operational plans and
task organization.
Al;O 6I6til 5
 b. Dispersal and operation over greatly extended distances re-
quire a concurrent dispersal of supporting communication facili-
ties throughout the division area and the primary use of radio
with radio relay for division trunk lines. This concept also re-
quires the increased use by divisional elements of multichannel
trunk systems on a common-user pool basis in lieu of or to supple-
ment separate organic systems.
c. Supporting operations on a potential atomic battlefield, as well
as in nonatomic warfare, necessitates a communication system
with sufficiently dispersed facilities and increased capabilities for
alternate routing to reduce the vulnerability of the system to dis-
ruption by damage to any part.
d. The incorporation of a pentagonal structure of five battle
groups, plus a brigade headquarters, greatly expands the scope of
the division communication system.
e. The transfer of battle groups support functions to division-
level units results in a requirement for increased communications
between the forward and rear areas of the division.
f. The establishment of a division trains organization produces
a requirement for the communication means for its operation.
g. The frequent attachment of supporting elements from higher
echelons and the necessity for providing certain circuits for full-
time use by artillery require a division communication system of
sufficient inherent capacity to absorb additional loads placed
upon it.
9. Division Area Communication System
In order to provide for the requirements listed in paragraph 8,
the infantry division is furnished a signal battalion, and the con-
cept of a division area communication system (figs. 2 and 7) is
employed.
a. Under the area system concept, additional signal centers or
switching points are established throughout the division area to
support the dispersed divisional elements. The signal centers are
interconnected by multichannel radio relay and, when the situation
permits, by field cable, in such configuration as to provide alternate
routes between any two points in the system.
b. The area coverage capability of the system and the use of
multichannel trunks in lieu of field wire facilitate the dispersion
and operation of headquarters and supporting units at more ex-
tended distances. The provision of dispersed signal centers and
alternate routes of adequate capacity between them decreases the
vulnerability of the system to damage and increases its flexibility
of employment. This system enhances the operational flexibility
6 AGO 60411
£4. SAT SI J1 AT GP

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Figure 2.2. Typ~e

Figure Type infantry
infantry division
division area communication system.
ar~ea Communication system.
of division units, since elements of the division may be shifted
rapidly throughout the division area with greater ease.
c. The division area communication system is comprised mainly
of common-user circuits; however, to meet special requirements,
a specified number of sole-user circuits will be allocated. Sole-
user circuits are those circuits which are allocated to an organiza-
tion, for full-time use, to provide point-to-point communication.
The establishment of these circuits is based either on traffic volume
or traffic precedence.
(1) Traffic volume must be sufficient to keep the sole-user
circuit busy during most of the 24-hour day. If the cir-
cuit is not kept busy for the required number of hours
each day, it should be placed in common-user service.
(2) The precedence of traffic may be sufficiently high to war-
rant a sole-user circuit, as in the case of air request or
fire direction circuits, where normal traffic routing in-
volves several switching points. This normal routing
would result in unwarranted delay in transmission.
d. The signal centers or switching points in the division area
communication system provide:
(1) Points of entry into the system for the supported head-
quarters, units, and installations to facilitate their use of
the trunk lines and channels in the system.
(2) Terminal, testing, patching, and switching facilities for
the radio relay circuits, field cable trunks, and the local
lines in the system.
(3) Local communication center facilities, to include message
center, messenger (except at forward signal centers),
cryptographic, teletypewriter, and telephone switchboard
service for designated headquarters and for other units
and installations as required to supplement organic
capabilities.
e. The trunk lines in the division area communication system
provide:
(1) A means of communication from the echelons of division
headquarters to immediate subordinate elements and be-
tween these elements.
(2) Long lines and channels for the use of other divisional
elements in lieu of or to supplement organic communica-
tions. These may be on a common-user or allocated-chan-
nel basis (in the case of division artillery), as required.
f. Signal centers in the division area communication system
generally are located with or near the major divisional elements.
Each forward signal center will be located in the vicinity of a
AGO 6.0QB 7
battle group CP. The basic system is extended to other users by
field wire or by FM radio/wire integration links.
g. The division area communication system is supplemented by
AM and FM radio nets of the using organization and, in the case
of artillery, by a separate wire net.
10. Command Control
Command control of the signal battalion is facilitated through
an internal battalion radio net. The radio terminals provided in
this net are shown in figure 3. The primary purpose of the net is
to enable the battalion commander/DSO to maintain direct con-
tact with all elements of the signal battalion.

11. Area Signal Center Service

a. Except for-radio, the division service support units, the en-
gineer battalion, and the aviation company depend on the division
area communication system for communication with unit elements
operating away from the parent organization. Unit elements oper-
ating in the battle group area depend on the forward signal centers
for connection into the division area communication system for
telephone communication, and will depend on the centers directly
for message center, cryptographic, and teletypewriter service sup-
plemental to organic capabilities. Included in the telephone serv-
ice is the installation and maintenance of connecting field cable/
wire lines, and .the furnishing of telephone instruments when
required.
b. Organic radio and limited wire communication means are
authorized division artillery to meet functional requirements.
Artillery units, both division and corps, will use the division area
communication system for administrative and logistic communi-
cation on a common user basis. Additionally, to supplement the
organic wire capabilities of division and corps artillery, the divi-
sion area communication system may provide sole-user circuits
between division artillery and its assigned or attached units for
fire support control and coordination.
(1) The signal battalion will provide and operate terminal
equipment to connect division artillery headquarters into
the division area communication system. The signal bat-
talion will also connect circuits from this terminal equip-
ment to the division artillery switchboard by means of
field cable. Both divisional and supporting corps artillery
subordinate units are responsible for the installation of
field wire to connect into the division area communication
system at the nearest signal or switching center.
8 AGO i;0113
05

a- " 00 ~l~ Sn ·

AGO 604B
 (2) The number of sole-user circuits to be provided from the
division area communication system will vary with each
situation, depending on the artillery organization for
combat, the disposition of signal centers and artillery
units on the battlefield, and the status of the artillery
communication. Normally division artillery will require
the following sole-user circuits:
(a) One circuit from division artillery to the division artil-
lery liaison officer at the division G2-G3 operations
center. If the division artillery fire support coordina-
tion center (FSCC) is located with the G2-G3 opera-
tions center, this circuit will not be required.
(b) One circuit from the artillery liaison at the division
G2-G3 operations center, or, one circuit from the fire.
support coordination center (FSCC), to the artillery
liaison officer at the battle group CP.
(c) One circuit from corps artillery to division artillery.
(d) Certain supporting corps artillery units positioned in
the division sector may require sole-user circuits to
corps artillery headquarters.
(3) Figure 4 shows "a type" artillery sole-user circuits pro-
vided by the division area communication system. De-
pending on the status of artillery communications, addi-
tional sole-user circuits may be provided by the signal
battalion when available and required between division
artillery headquarters and their assigned and attached
units, and between corps artillery headquarters and their
assigned and attached units located within the division
sector. Requests for artillery sole-user circuits will be
placed with the division signal officer (DSO) by the artil-
lery communication officer. Such requests normally will
be placed through the signal center supporting the artil-
lery unit.
12. Personnel Utilization
For maximum personnel utilization and to help offset adminis-
trative losses and casualties individuals should be cross trained in
allied specialties within their section to acquire skill in work related
to their MOS.

Section III. COMMUNICATIONS EMPLOYMENT

13. CommunicatiOns Control
The communication control facility, operated by the communi-
cation control section of headquarters and headquarters company,
10 AGO 604B
 (I) (NOTE I) / (I) I\(NOTE /I (I)I\(NOTE I)
(I) (NOTE 2) (I)NOTE 2) NOTE 2)

(NOTE 2)

(2

DIV ARTY DI( ARTY

(I I\(NOT 11 t \\ (3) X (NOTE 1)

OH N 23)
O~~~(NOTE \' l
MAT 2 INI

(2)

LEGEND: NOTES:
' 12 OR 24 CHANNEL RADIO RELAY SYSTEM I.CIRCUIT FOR COORDINATION OF

r 12 CHANNEL RADIO RELAY SYSTEM 2.CIRCUITS INSTALLED BY

ARTILLERY.
- FIELD WIRE
3NOT ALWAYS PROVIDED
9 FIELD CABLE TO CORPS
ARTY
SIGNAL CENTER OPERATED BY SIG BN

O SIGNAL SUBCENTER OPERATED BY SIG BN

( NUMBERS IN PARENTHESES INDICATE MINIMUM

CIRCUITS ALLOCATED FOR FULL-TIME ARTILLERY
USE TTIO-21

Figure 4. Type artillerysole-user circuits provided by division area

commtnication system.
aids the DSO in maintaining and operating the division area com-
munication system. Division communications control is operated
under the supervision of the DSO. Direction finding sets are em-
ployed to pinpoint and identify sources of communication and
electronics interference, enemy or friendly, as reported by divi-
sional units. Corrective action or recommendations to the com-
manding general for appropriate corrective action are initiated by
the DSO, depending on the nature of the interference. The com-
munication control facility also assists the cavalry squadron and
the aviation company in locating or confirming the location of
targets at which electronic radiating devices are used.
14. Circuit Control
A Communications Patching Panel SB-611/MRC serves as a
circuit control facility at each signal center of the division area
communication system, except the division rear echelon. This facil-
ity is operated by the telephone sections at their respective signal
centers. Each panel provides a means for switching and patching
approximately 300 lines.
15. Telephone Central Office
a. Manual Telephone Switchboards SB-86/P are operated at
each signal center. Two-position switchboards are provided for
the main and advance echelons of division headquarters, and one-
position switchboards are provided for the other centers (fig. 7).
The switchboards serve as trunk switches and local exchanges at
all the signal centers except the rear echelon, at which the switch-
board is used only for local exchange purposes.
b. Manual Telephone Switchboards SB-22/PT are employed to
establish forward switches or distribution points where radio relay
or carrier cable are used as extensions from the division area com-
munication system. Where so used, the switchboards are operated
by radio terminal and carrier attendants.
16. Communication Centers
Communication centers are operated as components of each signal
center (fig. 5) within the division area communication system.
Cryptographic, teletypewriter, and messenger facilities are associ-
ated with each communication center. A facsimile facility is pro-
vided only at the main signal center. The commuunication centers
located at the main and advance echelons of division headquarters,
the division trains headquarters, and the division rear echelon (ad-
ministrative center) not only serve those headquarters, but also the
units and installations in the vicinity. The comunication centers at
the forward signal centers serve the units and installations in their
AGO 604o ] ]
 vicinity on an area basis as required to supplement the capabilities
organic to those elements. (Communication service for battle group
headquarters and other major units in the area is provided by organic
elements (par. 34).)
a. CryptographicFacilities.
(1) Each communication center is equipped with an off-line
cipher machine (TSEC-7) for the handling of classified
messages. On-line cryptographic facilities (TSEC-9) also
are authorized for use with the teletypewriter systems.
Operators of the TSEC-7 and -9 do not require crypto-
graphic clearance. However, personnel operating at the
main and advance echelons of division headquarters will
require cryptographic clearance. Personnel operating at the
other signal centers of the area communication system
normally will require only a security clearance commensur-
ate with the classification of traffic handled.
(2) Cryptographic material (instruction, key lists, and other
items which require crytographic clearance for handling)
will be distributed through normal cryptographic agencies.
Cryptographic equipment and maintenance parts not fall-
ing into the above category will be distributed through
Signal Corps supply and maintenance channels.
b. Teletypewriter Facilities. Teletypewriter terminal stations are
operated at each communication center. Teletypewriter switching
facilities are operated at each center, except at the division rear
echelon. The division teletypewriter system is designed to operate
on a teletypewriter exchange (TWX) basis. Limited tape relay
facilities are provided at division main and advance to handle traffic
which may originate outside the divison.
c. MessengerService. Messengers operating the division messen-
ger service (fig. 5) will make deliveries directly to the headquar-
ters message centers of the battle groups and to other major divi-
sional elements, as well as to area signal centers operated by the
signal battalion. The forward area signal centers will serve as
messenger pick-up/delivery points only for the miscellaneous divi-
sional unit elements in their respective areas. The division area
ground messenger service is normally provided by messengers op-
erating in pairs to effect maximum security. If additional messenger
service is required, messengers may operate separately. However,
miscellaneous personnel may be assigned to each messenger as a
security guard.
d. Facsimile Service. Facsimile equipment located at the main
signal center (fig. 5) will be used for facsimile communication with
corps and army primarily for record communication, but may also be
used for transmission of photographs as required.
12 AGO 60'
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4 TON " j

TTIO-II
Figure 5. Type division
division commlnication
communication center and
and messenger
messener operations.
operations.
 17. Radio Reiay
a. Radio relay is the primary means for long lines communication
in the division area communication system. It is also the primary
means for telephone service between the major headquarters in
the division. Individual companies of the signal battalion are as-
signed areas of responsibility for installing terminals in the system.
(1) The command operations company installs terminals for the
main and advance echelon signal centers and for brigade
headquarters (when established), division trains head-
quarters, and division artillery headquarters.
(2) The forward communications company installs the termi-
nals at the five forward area signal centers.
(3) Headquarters company maintains a pool of terminal and
repeater equipment for installation and/or augmentation as
needed in the system.
b. A type 4-channel and 12-channel system, or combination of both,
which the companies are capable of installing is shown in Fig 6;
however, the full channel capabilities of radio relay and carrier
equipment organic to the battalion are not utilized in this illustra-
tion.
c. The signal battalion has been provided more terminal equip-
ments for the system than it has personnel authorized to operate
them. By proper grouping of equipment, one team can operate more
than one set, thereby making personnel available for the operation
of repeater stations or displacement equipment.
d. Since a minimum number of wire personnel are available at the
various signal centers, each terminal team proceeding to its site will
simultaneously lay the necessary cable for remoting the radio relay
equipment from the circuit control facility at the signal center.
e. Division terminal equipment and operating personnel for the
radio relay circuits in the corps/army communication system are
provided by corps/army units.
18. Wire and Cable Installation
The signal battalion has a relatively light capability for installing
field cable, since radio relay will be the primary means of trunk-line
communication throughout the division area system. When required,
assistance from higher echelons may be requested. Corps/army units
are provided with the capability for supplying the necessary aug-
mentation. Wire and cable installation within the division is ac-
complished by 11 three- to five-man installation teams and 3 eight-
man installation teams (fig. 7). Although the allocation of these
teams among the companies and platoons is fixed in the unit TOE,
AGO 6041t 13
they may be shifted temporarily from one unit to another or pooled
for a major wire construction effort.
a. The 11 three- to five-man installation teams install and main-
tain field wire lines and multipair telephone cables in CP areas and
between signal center components. The teams also install telephone
instruments.
b. The 3 eight-man installation teams install and maintain field
carrier cable to supplement the radio relay facilities of the division
area communication system. The amount of cable authorized by the
TOE does not reflect the total cable the battalion may be expected to
install. Additional cable may be requisitioned from division signal
supply and army supply points or depots. Consequently, the cable
and field wire capability may be increased or decreased as the situa-
tion warrants.
19. Radio Nets
a. Radio nets within the division (fig. 8) and divisional units are
provided primarily for internal organizational communications and
for communication between major divisional units. Additional radio
equipment is provided for air warning systems and communications
with echelons above division. Radio can be used in an emergency or
fast-moving situation to supplement a segment of the radio relay
system.
b. FM and AM radio will normally be used as an initial means of
communication, particularly when other means are unavailable or
unsuitable. If other means become available, the use of radio may be
minimized and, where possible, radio stations placed on standby or on
listening silence as the situation dictates. Employment of radio per-
sonnel and equipment is shown in figure 9.
c. The individual radio nets illustrated in figure 8 are discussed
in the following subparagraphs:
(1) Division command, intelligenceand administrative/logistics
nets (AM-RTT). The signal battalion and other division
units are equipped to operate three separate functional
radioteletype nets: one for command operations, one for in-
telligence operations, and one for administrative and
logistic operations. Additional sets have not been provided
to permit simultaneous displacement of all net stations
at any echelon. This arrangement results from expectations
thatfull operation of all three nets simultaneously will be
required infrequently, that the nets will be combined as
traffic and the tactical situation permit, and that stations
or nets will be placed in standby status when other means of
communication are available.
'4 nAGO C0do
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Figure 6. Type employment of radio relay personnel aud equipment.
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 ;NP 8T OP
NOTES:
G*OR-5
- - - - -------
- ~RCI-I9
NOTE IMONITOR NET; ENTERS AS
I
ANROTE __ _-___
-- NOTE 2 REQOURED By S*ITCHNIG SET
VRG-3 GRC-46 GRC-45 FROM ANOTHER NET.
2 ENTERS NET AS REQUIRED Sy
ANOTE
NOTE
_
I
C~yI SO NCOT
SWITCHING SET FROMANOTHER
5SO NET.
3 MONITORS ONLY.
NOTE I M OTE RADIO STATIONS
SHOWNIN CIRCLES
ARE PROVIDED BY
THE DIV S5T AN.
DIV ARITI AUTHORIZEDSU8-
STIrUTES MAYBE
USED FOR TYPE
~~
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Figure 8. Tune radio nets, infantry division.

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Figure
9.Type
and
employment
equipmeTlT
ofradiQ
personnel
Figure 9. Type employment of radio personnel and equipment.
 (2) Division CG/command net (FM-voice). The division CG/
command net is intended primarily for communications be-
tween the division commander and staff and the com-
manders of all immediate subordinate units. The number
of radio stations in the net dictates restrictions on its use.
While specific employement of the net will be governed by
the individual division commanders' desires, it is expected
that lateral radio communications between subordinate
unit commanders will be established by the calling com-
mander entering the unit FM net of the called commander.
The signal battalion operates the NCS in the CG/command
net on a 24-hour basis. The battalion is equipped to estab-
lish relay stations in the net, either by use of AN/VRQ-3
radio sets provided for the purpose or by use of the radio/
wire integration station facilities (par. 20). Airborne re-
lay stations, when required, are established by the division
aviation company.
(3) Division warning broadcast net (AM-voice). The signal
battalion operates the NCS in the division warning broad-
cast net. The net broadcasts air alerts, CBR attack warn-
ings, fall-out warnings, rad-safe data', atomic strike warn-
ings, and similar information of an urgent operational
nature which applies to the division as a whole or to major
divisional segments, which need not be handled through
strict command channels, and for which no immediate re-
ceipt or reply is required. The battle group headquarters,
the cavalry squadron, and armor battalions have radio sets,
normally employed in other nets, that may transmit in the
warning broadcast net as required. While use of these sta-
tions will be governed by individual division instructions,
division artillery headquarters will operate a station in
this net to broadcast air alert status and the cavalry squad-
ron will be authorized to broadcast urgent reconnaissance
information of interest to elements of the division with
whom they are not in direct radio contact. Each battalion
and separate company in the division, and subordinate ele-
ments of these units in some cases, is equipped with an AN/
GRR-5 radio for receiving information broadcast in this
net. In addition, a set is provided in each signal center in
the division area communication system for receiving warn-
ings from the net for local dissemination. Associated head-
quarters staffs and installations connected to the centers
then are given this information by telephone. The nature
I Data transmitted relative to the amount of radioactivity in a specified area.

AGO 604U1 15
 of the information broadcast on this net tends to make it a
prime target for electronic countermeasures; therefore,
adequate safe-guards should be established, to include ab-
breviated transmissions and limitations on the use of the
net.
(4) Air request radio nets (AM-voice/CW). Radio sets for
establishing a separate division air request net are pro-
vided in the TOE of the ROCID infantry division. The
NCS is operated by the signal battalion and is located with
the G3 air at the FSCC. The battle group headquarters,
cavalry squadron and armor battalions are also provided
raido sets for use in this net. The radio sets used in this
net are also used in secondary roles, such as for trans-
missions in the division warning broadcast net. The signal
battalion also operates the division station (which ac-
companies G3 air) in the army air request net.
(5) Army logistics net (AM-RTT). The signal battalion is
equipped to operate the division terminal in an army
logistics net. The radio station provided for this net is
designed to handle logistical traffic; however, in a fluid
situation it will be employed to support displacement of
other radioteletype stations in the division as required.
(6) Spot report receiver system (UHF-voice). The signal bat-
talion operates a radio station in the spot report receiver
system for monitoring Air Force close air support missions
flown for the division. The station is mounted in the same
vehicle as the division station in the army air request net.
A second UHF-voice radio set is provided in the signal
battalion primarily as an alternate for the above station.
It may be used to monitor Air Force reconnaissance mis-
sions flown for the division; however, a separate set is
provided in the division headquarters TOE for use by G2
for this purpose. Both of these facilities are frequently
supplemented by similar monitoring sets operated by the
division air liaison officer. The battle group headquarters,
division artillery headquarters, the cavalry squadron and
armor battalions are also equipped with UHF-voice radio
sets for use in the spot report receiver system.

20. Radio/Wire Integration Stations

a. An FM-voice radio/wire integration station is operated at
each signal center (except the rear echelon) (fig. 15, 16, and 21)
to connect mobile FM radio stations into the division area communi-
16 AGO COilMll
cation system (fig. 2) on a push-to-talk basis. The system of in-
tegration stations is used to establish communications between mobile
FM radio stations and elements connected to the area system by
telephone. The stations are also used in lieu of FM radio relay
stations to establish communications between FM radio stations
operating beyond direct FM range. The system of stations is sup-
plemented by similar facilities within some of the division combat
units operating on unit net frequencies. Since the Remote Control
Sets AN/GSA-7 associated with the radio/wire integration system
are not technically capable of being operated directly into the SB-
86/P switchboard, it will be necessary to provide SB-22/PT switch-
boards between the radio/wire integration station and the SB-86/P
installation. This can be accomplished either by using the SB-22/PT
normally associated with the teletypewriter centrals at the main
and advance echelons or by installing an SB-22/PT in each radio/
wire integration vehicle. The latter solution is considered more
feasible, since the radio operator can monitor the circuit and perform
the necessary push-to-talk switching, whereas the former solution
would require a teletypewriter operator from the teletypewriter
central to monitor the circuit on a full-time basis when in use.
b. The operation of the radio/wire integration system concerns
not only signal personnel employed in the division area communica-
tion system, but also a large number of other FM radio users through-
out the entire division. To accomplish a link-up through the integra-
tion system, standard procedures for radio operators, integration
station operators, switchboard operators, and users should be set
forth in the SSI prepared by the DSO's section. Special frequencies
for use in the integration system should be listed in the division SOI.
c. The radio/wire integration system may be used:
(1) By the commanding general, division staff, and other
designated key personnel in the division, when operating
from a mobile CP, to contact division elements connected
to the division area communication system (fig. 10).
(2) For initial establishment of telephone service from the
division area communication system to using units until
wire links can be installed.
(3) For voice communication between mobile combat elements
in the division forward area and supporting division logis-
tic elements in the rear area.
(4) For communication between low-flying army aircraft oper-
ating in distant parts of the division area and airstrips
or flight control elements connected to the division area
AGO 604B 17
 communication system when direct FM contact cannot be
maintained.
(5) For communication between forward air controllers
(equipped with Radio Sets AN/VRC-30) and the air
liaison officer's communications facilities (normally at the
division FSCC) when connected into the division area
communication system.
(6) During displacement of CP's, to keep commanders and
staffs in contact with subordinate and higher headquarters
as required.
CF,

co,
~~

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LEGEN C:
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Figure 10. Type utilization of radio/wire integration system,

/18 ,AGcO o4B

 (7) For connecting two switchboards and for spanning a break
in a wire line between units.
(8) During river crossings.

Section IV. PHOTOGRAPHIC AND SIGNAL SUPPLY AND

MAINTENANCE SUPPORT
21. Photography
Division photographic services are provided by the photographic
section of headquarters and headquarters company. These services
include still and motion picture black and white photography (except
air photography) for the division and air and ground still photo-
graphic laboratory service for all divisional units.
a. The photographic section has the primary mission of perform-
ing tactical ground photography. It is expected that the photogra-
phers in the division administration company at the rear echelon
will perform the major part of divisional public and troop informa-
tion and operational record coverage. Photography from aircraft
may be performed on request by the photographic section, using
ground-type cameras when air-type cameras are not essential or
available.
b. Two mobile photographic laboratories are provided for the
processing of still pictures. These laboratories will be employed to
process coverage by photographers of the photographic section, cov-
erage by the photographers in the administration company, air-
photographic coverage by the division aviation company, and cover-
age by other photographers operating in the division area. One of
these laboratories will be located at a designated division airstrip
and the other will usually be located at the signal battalion head-
quarters.
c. The photographic section is equipped to record but not process
motion pictures. The latter service is normally performed for the
division by Army. The section is not equipped to process Air Force
air photography for the division.
d. Color photography may be performed by the photographic sec-
tion when materials are available. Exposed color film will be sent
to the nearest color-processing facility.
22. Signal Supply and Maintenance
Division signal supply and maintenance support is provided by
the signal supply and maintenance section of headquarters and head-
quarters company and the forward repair sections of the forward
communications company.
AGO 604B 19
 a. The division signal supply and maintenance section performs
supplemental organizational signal maintenance for the battalion
and signal supply and field maintenance of signal equipment for the
division.
(1) Maintenance is performed through the operation of four
mobile repair shops: one for general signal equipment,
including telephone, photographic, teletypewriter, and
cryptographic; one for radio and radar equipment; one
for radio avionic equipment; and one for radio, radio relay,
and carrier equipment.
(2) Maintenance may be performed either on-site by direct
exchange, or by repair and return to user. Signal equip-
ment which cannot be conveniently moved, such as radar,
radio relay and carrier, larger radio sets, or telephone
switchboards, will normally.be repaired on-site. Smaller
items of wire and radio equipment will be repaired by
direct exchange of end items or major components, with
subsequent repair and return to stock. In combat, main-
tenance normally will not be performed on a repair and
return to user basis unless other methods cannot be fol-
lowed.
(3) Normally, the radio repair element will work in close co-
ordination with the division ordnance battalion to inspect
and repair, if necessary, radio sets on vehicles returned
for maintenance. The supply element will normally work
in close coordination with the division quartermaster com-
pany to take advantage of the daily ration and supply runs
for the routine delivery of wire, batteries, and other items
of supply and repair equipment.
b. The forward repair sections performed organizational and
limited field maintenance of signal equipment for the platoons, and
field signal maintenance for other elements of the division. Each
section is equipped with a mobile shop van to provide limited field
signal maintenance for units in the division forward area. The vans
are equipped to provide general maintenance support and will per-
form it normally by direct exchange of the defective component.
As far as possible, maintenance is performed on call in the supported
unit's area. Physical repair of defective components is performed
only in emergencies. Defective components are normally returned
to the rear area for repair and return to stock. In addition to the
organic maintenance personnel, all operators and supervisors should
be trained to perform and/or supervise first echelon maintenance,
and certain personnel should be trained to perform and/or supervise
second echelon maintenance.
20 ACO 604B
 CHAPTER 3
SIGNAL BATTALION ORGANIZATION AND
OPERATING TECHNIQUES

Section I. HEADQUARTERS AND HEADQUARTERS COMPANY

23. General
Headquarters and headquarters company (fig. 11) directs and
coordinates the operations and training of the signal battalion, and
provides the facilities with which the battalion commander exercises
control of the battalion. The company also:
a. Provides consolidated personnel administration, and supple-
mental supply and maintenance support for the battalion.
b. Performs field cable and supplemental field wire construction,
and provides augmentation equipment for radio relay terminal and
repeater stations and telephone carrier terminals for the battalion.
c. Performs photography (except air photography) for the divi-
sion, and performs photographic still picture laboratory service.
d. Provides signal supply and field maintenance of signal equip-
-ment for the division.
24. Method of Operation
a. The DSO's office usually is located at the main echelon of divi-
sion headquarters (normally near G2-G3 operations). The DSO,
however, will operate at the same echelon of division headquarters
at which the division commander is located. Battalion headquarters
and headquarters and service company usually operate in one
echelon, at the most suitable place in the division area to perform
their mission. This location will be governed by the need for acces-
sibility to the DSO, to the operating companies of the battalion,
and to the other divisional elements supported. It is expected that
the major elements of the company will usually be located near but
not at the main echelon of division headquarters.
b. The assistant division signal officer (ADSO) and the radio
and wire officers in the DSO's section provide the immediate staff
for the DSO. In addition, the battalion S3, S2/assistant S3, and
the officers in the division photographic section and the division
signal supply and maintenance section are employed also by the
AGO 604B 21
o 22
e AO
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hcO 604B
division signal officer as division signal operations officer, signal
security officer, photographic officer, and signal supply and mainte-
nance officer, respectively (fig. 12).
c. The battalion executive, the battalion headquarters staff, the
administrative and logistics section, and the operations and intel-
ligence section provide the staff and facilities for the battalion
commander for direction and coordination of battalion operations.
d.. It is expected that the battalion officer next junior to the bat-
talion commander/DSO will normally be assigned as battalion execu-
tive, and will be designated to succeed the DSO in the event the
latter is incapacitated. As far as is permitted by regulation, the
battalion executive will act for the battalion commander/DSO on
all battalion matters, to assure the latter maximum freedom to devote
attention to his responsibilities as DSO.
25. Battalion Headquarters
Battalion headquarters contains the officer staff that controls and
supervises the employment and operation of equipment and per-
sonnel of the companies organic to the signal battalion. The assisting
staff and staff facilities are contained in the administrative and
logistics section, operations and intelligence section, and the bat-
talion personnel section.
26. Headquarters Company
(fig. 11)
a. Company headquarters directs and coordinates the adminis-
trative and logistical support for the company, battalion headquar-
ters, and the division signal office. Company headquarters will
provide the messing facilities for signal personnel at the division
main CP area (fig. 13). Since this will be the largest signal battalion
messing facility in the division, additional mess personnel may be
required. If augmentation is necessary, mess personnel from the
command operations company may be reallocated to provide the sup-
port required.
b. The administrative and logistics section provides the enlisted
personnel and equipment for the battalion commander/DSO, S1/
adjutant, battalion S4, and the battalion motor officer.
c. The operations and intelligence section provides the enlisted
personnel and equipment for the battalion S3 and S2/assistant S3.
It also supports these officers when they are operating as a part of
the DSO's staff.
d. The battalionpersonnel section provides consolidated personnel
administration for the battalion, under supervision of the Si/ad-
24 AGO 6041B
 COOK

FWD COMM
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xx

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LEGEND:

SIGNAL BN MESS OTHER MESS

PERSONNEL PERSONNEL ADMIN CO
Ir AI Co

SIGNAL
O N PERSONNEL TT1

Figure 13. Type utilization of signal battalionmess personnel.

jutant. All personnel records and reports required by higher head-
quarters are maintained or prepared in the section. Information
upon which these records and reports are based is obtained from the
companies, but on an informal or abbreviated basis only. The section
is normally located, with personnel sections from all other division
units, in the division administrative center at the division rear
echelon.
e. The battalion supply section provides supply support (except
repair spare parts) for all elements of the battalion. The section
operates under the supervision of the battalion S4. It prepares
requisitions and supply reports, and receives, processes, stores, and
delivers supplies as required. The section is organized on the basis
that a minimum of supplies will be held in the battalion, and that
rations, water, wire, and cable may be delivered directly to using
company elements. The organization of the section has also taken
into account that all company elements will be refueled directly by
mobile filling stations operated by the division quartermaster com-
pany. It is expected that the battalion supply section can be em-
ployed for one supply round trip per day to requiring battalion
elements.
f. The battalion nmotor maintenance section operates under the
supervision of the battalion motor officer. It provides motor main-
tenance for headquarters and headquarters company, and armament
maintenance and supplemental second echelon motor maintenance
for the operating companies of the battalion. It also provides the
ordnance and engine generator repair parts for the battalion. Bat-
talion motor maintenance is performed on-site insofar as practicable.
Tool sets, a wrecker, and a maintenance shelter (not available at
company level) are provided for establishing a repair facility to
take care of heavier unit motor maintenance. The generator mainte-
nance capability in the section supplements the limited capability
of company vehicle mechanics for maintenance of the prime-mover
components of engine generators. The maintenance section clerical
personnel will prepare requisitions for repair parts and maintain
organizational maintenance records and files.
g. The field cable installation section installs, maintains, and re-
covers carrier field cable (CX-1065/G) in the division area, and
assists the operating companies of the battalion, as required, in
the installation and recovery of field wire and multiconductor cable.
The installation section is organized to operate in three 8-man teams,
under supervision of the battalion S3. It is expected that the section
will be employed as needed to assist the wire teams of the battalion
operating companies with initial installation. Conversely, it is ex-

AGO 604B 25
pected that the field wire teams of the operating companies may
also lay and recover field carrier cable. When wire cable installation
is beyond the capabilities of the battalion wire teams, assistance
may be requested from corps/army units, which are organized to
provide the necessary augmentation.
(1) After initial signal center installations have been com-
pleted, the 8-man installation teams will install CX-1065/G
cable between the main CP and advance CP and between
the trains area and the main CP if the situation permits
(fig. 7). These lines will be used as emergency back-up
in the event electronic countermeasures preclude the use
of radio relay.
(2) If the time and the situation permit, additional cable in-
stallation from the advance CP to the forward battle
groups and division artillery headquarters is highly de-
sirable and will be used as back-up and to provide more
secure means of communication. In establishing priorities
for cable installation, consideration will be given to the
back-up of those radio relay circuits oriented toward
enemy-held territory. This cable back-up will serve as a
counter countermeasure.
(3) Although the initial installation of signal centers is the
responsibility of the platoons which will operate them,
there will be times when these platoons will require addi-
tional support from the field cable installation section. To
insure efficient utilization of the installation section, the
DSO must closely coordinate the efforts of the section and
establish signal center installation priorities. Predeter-
mined priorities are essential to enable the teams of the
installation section to move from job to job with a minimum
'-f delay, supervision, and duplication of effort. A probable
signal center priority is as follows:
(a) On-line battle groups.
(b) Division advance CP.
(c) Division main CP.
h. The radio terminaland carniersection operates under the super-
vision of the battalion S3. It provides a pool of radio relay repeater
and terminal stations and telephone carrier terminals for use in
the division area as required to supplement capabilities organic to
battalion operating companies. Although a total of five rad o relay
terminal and repeater stations (two MRC-69's and three MRC-54's)
and four separate carrier terminal equipments (AN/TCC-7) have
been included in the TOE, personnel have been provided for opera-
26 ACO Co0lt
tion of only four stations simultaneously (3 men per station). It is
estimated that the need for additional stations will seldom exceed
four at any one time and that a greater capacity may be achieved
by reduced manning, by reinforcement from the operating companies
to which attached, or by co-location of two or more stations which,
once installed, can be operated by a single crew. Station teams
from the section, when deployed, are normally attached to the com-
pany with which they operate. If the stations are radio repeater
stations, the teams will normally be attached to the company oper-
ating the control station in the link.
i. The division signalofficers' section provides the officer and en-
listed staff and equipment for the DSO and ADSO and their office.
Refer to paragraph 24 for details concerning operations of the
section.
i. The division communication control section operates under the
control of the DSO. Refer to paragraph 13 for section operations.
k. The division photographic section operates under the direction
of the DSO. Refer to paragraph 21 for section operations.
1. The division signal supply and maintenance section operates
under the control of the division signal supply and maintenance
officer. Refer to paragraph 22a for section operations.

Section II. COMMAND OPERATIONS COMPANY

27. General
The command operations company (fig. 14) establishes and oper-
ates an assigned portion of the division area communication system.
It provides signal communications at the echelons of division head-
quarters, the brigade headquarters, the division trains headquarters,
the division administrative center, and the division G2-G3 operations
center. It also provides signal communications, excluding internal
radio nets, for the division headquarters company, division trains
headquarters company, and the administration company. Area signal
center service is provided to those units located in the vicinity of the
above elements.
a. The company establishes and operates facilities to connect
division artillery headquarters into the division area communication
system (fig. 2).
b. It provides and operates division net control stations (NC's),
and other stations in higher echelon radio nets as required, to in-
clude division and army air request nets and the division warning
net. The company also operates the division area ground messenger
service (fig. 5).

AGO 604B 27
 COMPANY REAR
EHELON TRAINS AREA
BRIGADE HNO
OPERATIONS OPERATIONS OPERATIONS
LAOATR
PLATONJIPAOON PLOONATOON

2 COMMAND SIGNAL TLPHON RADIO TERMINL A PPORT

CENTER PLATOON lI IR TEM
HEADQUARTERS CARRIER SECTION I

MESSAGE (tENTER RADIO INSTALLRATION

SECTION SECTION SECTION
ITtO 12
Figulre 14. Orglniizationof com,,nand operations col)pany.

28. Company Headquarters

Company headquarters provides command control and coordina-
tion of company operations. It also provides mess facilities and
second echelon motor maintenance. To perform these functions,
company headquarters is normally located at a major echelon of
division headquarters.
a. Mess personnel of company headquarters will normally estab-
lish and operate mess facilities at the division advance echelon
(fig. 13). They may also be required to provide mess support for
other elements of the battalion. Through prior arrangement between
commanders and mess personnel of signal units and other divisional
elements, personnel of the command operations company may be
provided mess support by the major unit to which they are attached.
b. Supply support for the company is provided by the battalion
supply section. This section maintains all battalion supply records,
prepares requisitions based on company needs, and normally delivers
required supplies on a routine basis. Although the battalion is
equipped to deliver class III (POL) supplies to the company, the
company elements will normally make joint use of the refueling
capability in the division headquarters and headquarters company
area. Elements of the command operations company may obtain
direct delivery of rations, water, wire, and cable from designated
supply points.
c. Second and third echelon electronic maintenance support is
provided by the signal supply and maintenance section in headquar-
ters company.
28 Ac(O iol
 d. The battalion motor maintenance section provides armament
maintenance and supplemental second echelon motor maintenance
support for the command operations company. It also furnishes the
ordnance and engine generator parts for the company, and supple-
ments company maintenance for the prime-mover component of
engine generators.
e. Administrative and logistical reports will be consolidated and
forwarded, on a brief and informal basis, to the battalion head-
quarters for preparation and forwarding to higher headquarters.

29. Command Signal Center Platoon

(fig. 14)
The two command signal center platoon headquarters and teams
from the separate sections are organized into functional groups
as needed to establish and operate signal centers at the division
headquarters main echelon (fig. 15) and at the division headquar-
ters advance echelon (fig. 16). Designated signal centers provide
and operate facilities to connect division artillery and brigade head-
quarters into the division area communication system.
a. Platoon Headquarters. Two command signal center platoon
headquarters are employed as the supervisory element for the signal
centers established by the company at the division main and advance
echelons. Each platoon leader operates a Radio Set AN/VRQ-3 in
the signal battalion internal radio net (fig. 3). This radio may also
be used as a relay station in the division CG/command net as re-
quired.
b. Message Center Section. The message center section provides
communication center facilities, including message center, crypto-
graphic, and teletypewriter service, on a 24-hour basis, for the
division headquartersmain and advance echelons, and supplements
the organic capability of units located in the vicinity of these
echelons. The section is equipped and manned to operate two mobile
centers. Each center consists of a mobile teletypewriter and crypto-
graphic operation group and an S-56/G shelter for use as a com-
bined message center and facsimile terminal room. However, the
facsimile equipment authorized the battalion is sufficient only for
operation at the division main signal center (par. 16d). Two CP
tents are provided to expand communication center operations and
to facilitate displacement.
(1) The signal center operated by this section will normally be
the only location in the division that will use cryptographic
systems requiring operators with cryptographic clearances.
AGO 604B 29
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 (2) The division area ground messenger service is operated by
the message center section (fig. 5). To perform this mis-
sion, the section is authorized five 1/t-ton trucks and 12
motor messengers. Normally, the messengers will operate
in pairs (one as driver and one as guard) on all motor
messenger runs, particularly on those routes forward of
division headquarters. If the tactical situation dictates,
the messenger capability may be expanded by providing
guards and vehicles from other sources.
(3) Air messenger service may be obtained from the aviation
company upon request.
c. Telephone Section. This section operates the telephone central
offices at the division headquarters main and advance echelons. It
is capable of operating two mobile, two-positions switchboards (AN/
MTC-3) simultaneously on a 24-hour basis. Portable switchboards
(SB-22/PT) are authorized for alternate operation as required.
Normally, the two-position switchboards will be located the division
main echelon; one in use and one for displacement. The SB-22/PT
switchboards will be located at a forward echelon. When circum-
stances require operation of both two-position switchboards simul-
taneously, displacement may be accomplished either by use of the
SB-22/PT switchboards or by use of the displacement switchboards
authorized in other elements of the signal battalion. The telephone
section also performs the circuit control function in the signal
centers at which located, to include patching and termination of
trunk lines, circuit testing, and direction of circuit testing and main-
tenance. To carry out this mission, the telephone section is author-
ized three circuit control operators and two trailer-mounted com-
munications patching panels (SB-611/MRC).
d. Radio Section. The radio section operates the NCS's in divi-
sion headquarters radio nets and subordinate stations at the echelons
of division headquarters (other than rear) (fig. 8). It also operates
the radio/wire integration stations at the main and advance echelons
of division headquarters. The section is manned and equipped to
operate the following sets simultaneously on a 24-hour basis:
(1) AN/GRC-26 radioteletype stations (one equipped with the
AN/ARC-27).
(2) AN/GRC-46 radioteletype stations (two equipped with
Radio Sets AN/VRC-10).
(3) AN/GRC-19 radio sets (both equipped with one AN/
VRQ-3 and one AN/GRR-5 radio set).
e. Radio Terminal and Carrier Section. The radio terminal and
carrier section installs and operates the terminals of the radio relay
32 AGO 0-04B
system and associated carrier equipment at division headquarters
main and advance echelons, and the terminals of a link connecting
division artillery and brigade headquarters, when established, into
the division area communication system. The section is capable of
operating radio terminal sets (AN/MRC-69) with associated carrier
terminal equipment (AN/TCC-7) and (AN/TCC-3). Typical em-
ployment of these terminal facilities is indicated in figure 6. Person-
nel allocation to this section is based on the concept of co-location of
terminals which will permit some reduction over the standard 3-man-
per-station criteria for 24-hour operation.
f. InstallationSection. The installation section installs intercon-
necting cable between signal center components, wire and cable in
division echelon CP areas, and wire locals to other units in the
vicinity of division echelon signal centers.
(1) The section is organized and equipped to make up two 4-
man field wvire teams, each equipped with a 3/,-ton truck
and Reel Units RL-26 and RL-31. Each team carries a
small basic load of wire and cable in the ¾-ton trailer
provided.
(2) During the period of installing interconnecting cable be-
tween signal center components, the teams of the instal-
lation section will require assistance from personnel in
other sections of the company. Installation teams from
headquarters and headquarters company, augmentated if
necessary from other elements of the battalion, will be
required to assist the installation teams in situations beyond
their capabilities.
g. Air Support Signal Team. The air support signal team pro-
vides communications at the division artillery FSCC. It installs and
operates the telephone switchboard (SB-22/PT) at the G2-G3 oper-
ations center, provides message center and cryptographic facilities,
operates an AN/GRC-19 radio NCS in the division air request net,
and operates an AN/GRC-26 radio station in the army air request
net. It also operates a UHF receiver in the spot report receiver
system for monitoring UHF-equipped tactical air support aircraft
operating in the division area. This radio equipment accompanies
the G3 air to the division artillery FSCC.

30. Rear Echelon Operations Platoon

The rear echelon operations platoon (fig. 17) establishes and
operates a signal center at the division rear echelon. It provides
communications for that echelon, the administration company, and
the administrative center. Radio relay and carrier facilities are not
AGO 604B 33
 I I k
~~~~~PLATI~~OON
I MESSAGE CENTER
HEADQUARTERS SECTION

RADIO |LEPHONE
SECTION S

Figure 17. Organizationof lear echelon operations platoon.

provided in the platoon. Field wire or field cable is considered ade-

quate for connection to the nearest army area signal center (or a
division signal center if the rear echelon is located in the division
area) by the signal center to which connected.
a. PlatoonHeaquarters. Platoon headquarters provides command
control and coordination of platoon operations. The platoon leader
serves as signal officer for the division rear echelon, administrative
center, and administration company.
b. Message Center Section. The message center section provides
communication center facilities, including message center, crypto-
graphic, teletypewriter, and limited motor messenger service, on a
24-hour basis, for the division rear echelon. It also operates the rear
echelon signal center radio receiver station in the division, corps, or
army warning net. The message center section is designed to operate
in one echelon only.
c. Telephone Section. The telephone section is organized to install
the telephone system and to install and operate a single-position
Manual Telephone Switchboard SB-86/P on a 24-hour basis for the
division rear echelon, administrative center, and the administration
company. The section is equipped with a second switchboard (SB-
86/P) for use during periods of overload or for displacement.
Normally, the division rear echelon will locate in the corps/army
area. When so located, the telephone switchboard will be connected
into the nearest area signal center operated by higher headquarters.
One or more trunks usually will be patched through the army and
division area communication system to the switchboard in the di-
vision headquarters or trains area signal center.
d. Radio Section. The radio section operates a radioteletype set
(AN/GRC-26) in the division administrative net. The AN/GRC-26
is provided in lieu of a less powerful set due to the distances fre-
quently encountered between the division rear and main echelons.

34 AGO 604AJ
31. Trains Area Operations Platoon
The trains area operation platoon (fig. 18) establishes and
operates a signal center at the division trains headquarters. It pro-
vides communications for that headquarters and the trains head-
quarters company.
a. Platoon Headquarters. Platoon headquarters provides com-
mand control and coordination of platoon operations. The platoon
leader serves as signal officer for the trains headquarters and for
units served by the platoon.
b. Message Center Section. The message center section provides
communication center facilities, including message center, crypto-
graphic, teletypewriter, and limited local area messenger service on a
24-hour basis for the division trains headquarters and for units in
the division trains area (supplementary to the organic capabilities
of these units). The section operates the trains area signal center
radio receiver station in the division warning net. The section is
manned and equipped to operate in one echelon only.
c. Telephone Section. The telephone section operates a single-
position manual telephone switchboard in the trains area signal
center. The switchboard provides telephone service for trains head-
quarters and for units in the division trains area. It also provides
trunk-switching service in the division area communication system.
A second switchboard (SB-86/P) is authorized for displacement
and utility purposes. The section performs the circuit control func-
tion in the trains area signal center, to include patching and termina-
tion of trunk lines, circuit testing, and direction of circuit testing

PLATOON
HEADQUARTERS
II |
MESSAGE CENTER
SECTION

TELEPHON~E | I RADIO
SEC I o
SECTION
STION

|RADIO TERMINAL | | INSTAUATION

CARRIER | SECTION
TT10'6

Figure 18. Organization of trains area operations platoon.

AGO G64B 35
and maintenance. To carry out this mission, the telephone section
is authorized communications patching panels (SB-611/MRC) and
circuit control operators. During operations, one panel is normally
in use; the second being used during displacement.
d. Radio Section. The radio section operates a radioteletype set
(AN/GRC-46) in the division administrative and logistics net. It
also operates the trains area signal center radio/wire integration
station and FM station either in the trains net or division CG/com-
mand net as required (fig. 8).
e. Radio Terminal and CarrierSection. The radio terminal and
carrier section installs and operates the trains area signal center
terminals of the radio relay system and associated carrier equipment
in the division area communication system. The section is manned
and equipped to operate radio terminal sets (AN/MRC-69) (fig. 6).
Two sets are employed at the trains area signal center and one set is
employed at each of the two lateral switching points in the area sys-
tem.
f. Installation Section. The installation section consists of two
4-man wire installation teams. The teams install and maintain the
wire system for trains headquarters, and the field wire links from
the trains area signal center to units in the area. Each team is
equipped with a :/4-ton truck and Reel Units RL-26 and RL-31. A
-%-ton trailer is also provided each team for transporting a small
basic load of field wire and cable.

32. Brigade Headquarters Operations Platoon

The brigade headquarters operations platoon (fig. 19) establishes
and operates a signal center at brigade headquarters.
a. PlatoonHeadquarters.Platoon headquarters provides command
control and coordination of platoon operations. The platoon leader

PLATOON
HEADOQUARTERS
[M3
MESSAG (LENTER
SECTION

TELEPHONE RADIO
SECTION SECTION
TTnO-7
Figure 19. Organization of brigade headquai ters operations platoon.

36 AGO 04B
functions as signal officer for brigade headquarters and for units
in the area served by the platoon.
b. Message Center Section. The message center section provides
communication center facilities, including message center, crypto-
graphic, teletypewriter, and limited local area messenger service,
on a 24-hour basis, for brigade headquarters and for units in the
area. This service is supplemental to the organic capabilities in these
units. The section operates the brigade signal center radio receiver
station in the division warning net. The message center section
operates in one echelon only.
c. Radio Section. The radio section operates a radioteletype set
(AN/GRC-46) in the division command/operations net (fig. 8).
d. Telephone Section. The telephone section operates a single-
position manual telephone switchboard (SB-86/P), on a 24-hour
basis, for brigade headquarters. A second switchboard (SB-86/P)
is provided for use during displacement. The section contains two
3-man wire teams equipped with a ¾/-ton truck, a 1/-ton truck, and
Reel Units RL-26 and RL-31. The two teams install and maintain
the telephone wire system for brigade headquarters. They also in-
stall and maintain field wire trunks from brigade headquarters to
other units in the area and, when augmented by other signal battalion
wire teams, to subordinate commands as required.

Section III1. FORWARD COMMUNICATIONS COMPANY

33. General
The forward communications company (fig. 20) provides area
signal center service for units in the division forward area supple-
mental to organic capabilities, to include the installation and main-
tenance of connecting cable/wire lines. It establishes and operates
communication facilities to connect battle group headquarters and
supporting units into the area communication system. The company
also provides terminal, patching, and switching facilities for wire
and radio relay trunk circuits, and provides radio/wire integration
facilities for the battle group and units in the group areas. It pro-
vides limited signal field maintenance for the battle groups and sup-
porting units, and supplemental organizational signal maintenance
for the battle group area support platoons.
34. Employment
The forward communications company (fig. 20) is organized along
functional lines. Each of the five battle group area support platoons
is closely associated with a particular battle group. Each platoon
AGO 604B 37
 w

rn~ ~~X 0

o~~~
- zI -

I C"

st~~ "

S~~~

aco sore~~~~~~~~~
38
operates a forward signal center (fig. 21), and furnishes associated
facilities for general and direct communication support of units and
unit elements in the battle group areas. The signal centers, including
their radio relay system and associated carrier equipment, are a part
of the division area communication system. The centers provide
points of entry into the system for users (including battle groups),
and switching and patching points for channels of the system. In
addition, local communication service for units in the battle group
area may be provided to supplement the organic capabilities of these
units. While designation of specific geographic areas of responsibil-
ity is not usually feasible in combat, the company commander and
platoon leaders act, in effect, as area signal officers for the service
support units in their respective areas.
a. Each platoon provides direct signal support for a battle group
and general signal support, to include limited wire laying and field

ATOG ARTY BTRY

AT, O AVN Co FWO AIRSTRIP

AIW S CLR CO ELEMENTS

COLLECTION EVACUATION SEC
aM OISTRIOUTION POINTS
AI C. SOUADSOF TRANSON
TCP'S OF P CO
(NC C.
ARMOR CO

T2( : D ' zLOCAL

SA65RT
C
1m+°tII~~O-I
-

2
C-MRC- I N-RC
-69 G
TO S-IMR _ CPTC SAT G
LM-ITI0COMM PATCH PANEL£

LEGEND

° ELO WIRE 24
<AULTICHANNEL

HIGHER HO TIO-

Figure 21. Forward signal center, block diagram.

AGO 604B 39
signal maintenance, for units in the area. Each platoon normally
will be included as a part of the task force when such groupings are
required and will accompany the battle group if it is attached to an-
other division. The composition of the platoons so attached may be
modified to meet a particular mission by making reallocations among
other platoons or other signal battalion elements. When a battle
group area support platoon is attached by division order to a battle
group or a task force, the unit to which the platoon is attached is
responsible for maintaining the integrity of the division area com-
munication system. The degree of system integrity desired in each
instance should be specified clearly in the signal portion of the
division operations order.
b. The organization of the battle groups is premised on the pro-
vision of certain support by the forward communications company.
This support must include:
(1) Installation and maintenance of communication facilities
connecting the group headquarters into the division area
communication system.
(2) Lateral communications (except radio) between battle
groups (normally by switching or patching through the
area communication system).
(3) Communications from battle group headquarters (except
radio) to supporting divisional logistic and administrative
elements. (Supporting combat elements are expected to
provide communication to battle groups in accordance with
current doctrine concerning the relationship between sup-
ported and supporting units.)

35. Company Headquarters

a. Company headquarters provides command control and coordi-
nation of company operations and provides mess facilities and second
echelon motor maintenance. In order to perform these functions
expediently, company headquarters operates at a central location,
normally in the division advance CP area.
b. Since each of the platoons is assigned to a particular battle
group and, as such, will mess and quarter with that group, the cooks
in company headquarters may be allocated (fig. 13) in the following
manner:
(1) One cook or first cook to each of four battle groups; the re-
maining battle group will be augmented with one cook's
helper.
(2) The mess steward will remain at the forward communica-
tions company headquarters to coordinate mess activities

40 AGO 604B
 and to establish and supervise the operations of a company
mess when required.
c. Administrative and logistical reports to higher headquarters
will be consolidated and forwarded, on a brief and informal basis, to
battalion headquarters for preparation and submission to higher
headquarters.
d. Supply (Class I, II, and IV) will be handled administratively
by company headquarters. Physical distribution to the platoons will
be effected by a daily supply trip from the supply section of head-
quarters and headquarters company. Class III (POL) for the
'platoons and company headquarters normally will be made available
through mobile gas stations operated by the division quartermaster
company.
36. Battle Group Area Support Platoons
a. The platoon headquartersprovide command control and coordi-
nation of platoon operations, and limited organizational maintenance
of platoon power units. The platoon leaders must maintain close
coordination with the communication officers and commanders and
staffs of the units which they support.
b. The message center sections provide communication center
facilities, including message center, cryptographic, and teletype-
writer service, on a 24-hour basis, for units and unit elements lo-
cated in their respective areas (fig. 5). This service is supplemental
to organic capabilities. The sections are not manned or equipped to
provide messenger service. Serviced units will normally pick up
and deliver their messages as required. Each section contains one
AN/GRR-5 receiver with which it monitors in the division warning
net. One mobile Teletypewriter Terminal Group AN/MGC-17 is
provided to furnish three teletypewriter terminals, two with crypto-
graphic facilities, at each center. The sections are manned and
equipped to operate in one echelon only.
c. The telephone sections each operate a mobile Manual Telephone
Central Office AN/MTC-7 (fig. 7).
(1) Each section is equipped with two AN/MTC-7's; however,
the section is manned on the basis that only one AN/
MTC-7 will be in operation at a time, with the other being
used as a spare for displacement or for establishing a for-
ward switch for limited periods as required. The AN/
MTC-7's will handle both the local and trunk line switching
requirements placed on the center.
(2) The sections are also responsible for the circuit control
functions in their respective signal centers, to include
AGO 604B 41
 patching and termination of trunk lines, circuit testing, and
direction of circuit maintenance. For this purpose, two
Communications Patching Panels SB-611/MRC are pro-
vided. Each panel is mounted in a 1/2-ton trailer; one in
use, the second for displacement or for establishing forward
switches.
d. The radio sections operate an AN/VRQ-2 radio set (artillery)
and an AN/VRQ-3 radio set (infantry) using AN/GSA-7's as a
radio/wire integration station in the division radio/wire integration
systems (fig. 9 and 10). Each station must be located in the immedi-
ate vicinity of the AN/MTC-7 operated by the telephone section tg,
facilitate operation.
e. The radio terminal and carrier sections operate the terminals
of the radio relay system and associated carrier equipment at their
respective forward signal centers, and at battle group headquarters
or forward switches as required (fig. 6).
(1) Each section is manned and equipped to operate three
mobile multichannel radio terminal sets (AN/MRC-69).
The sets will normally be in continuous use (fig. 21). Dur-
ing a displacement, however, the sets in communication
with adjacent battle groups may discontinue operation to
aid in the move if required. The third set will remain in
contact with division advance until one of the displaced
sets can establish communication with that headquarters.
(2) These terminal sets will normally be positioned as close to
the patching facility (SB-611/MRC) as is consistent with
security and disperson, to facilitate cable/wire laying to
terminal sets. If feasible, terminals should be co-located to
enable a minimum of personnel to operate efficiently and to
reduce the number of wire routes to be installed and main-
tained.
(3) The sections are also equipped with two portable telephone
switchboards (SB-22/PT) for establishing forward
switches or patching points on extension links from the
forward signal centers.
f. The installationsection in each platoon is organized as a 5-man
field wire team and is equipped with one 3%-ton truck and a trailer
(fig. 7).
(1) This section installs interconnecting cable for components
of a forward signal center and is responsible for wire lay-
ing, maintenance, and furnishing telephone instruments as
required to the following supported units:
(a) Platoons of the forward support company of the division
ordnance battalion and company headquarters.
42 AGO 604B
 (b) Elements of the ambulance and clearing companies of the
division medical battalion and the headquarters of these
companies if located in the division forward area.
(e) Collection and evaluation section of the collection and
evaluation platoon of the division quartermaster com-
pany.
(d) Forward distribution points, if established by the
division quartermaster company.
(e) Truck and/oil armored personnel squads of the division
transportation battalion if located in the forward area.
(f) Traffic control points (TCP's), if established in the for-
ward area by the division military police detachment.
(g) General support platoon groups and associated landing
fields established in the division forward area by the
division aviation company.
(h) Companies or company elements of the division engineer
battalion operating in the forward area when in general
operation, and field wire connections to battalion head-
quarters if so located.
(2) Since this section has many responsibilities and a limited
number of personnel and equipment with which to perform
its mission, priority should be established for connecting
units into the system. Priorities will depend on the im-
mediate situation and should be coordinated fully with the
battle group staff. An SOP should also be established to
dictate the number of pairs each unit will receive initially
and the necessary augmentation at a later date if time and
equipment permit.
(3) Initially, the section has only 3.5 miles of CX-162/G five-
pair cable. This is not to be construed as a maximum load
for the section, since additional wire and cable will be avail-
able from the battalion or other wire teams.
(4) In some cases the organic 5-man wire teams will not be
physically capable of installing the total circuits within
the time limit prescribed. Augmentation of personnel and
equipment for a situation of this type is available by at-
taching all or a portion of one of the 8-man installation
teams from headquarters and headquarters company to
complete the initial installation.
g. The forward repairsections operate as indicated in paragraph
22b.

AGO 604B 43
 APPENDIX I
REFERENCES

1. General
This appendix contains a selected list of numbers and titles of
publications pertinent to the operations of the signal battalion, in-
fantry division. For availability of items listed and publications on
additional subjects, refer to DA Pam 310-1, 310-3, 310-4, and 310-7.
2. Administration
AR 230-5 Nonappropriated Funds Facilities and Gen-
eral Policies Activities.
AR 220-60 Battalions: General Provisions.
AR 220-70 Companies: General Provisions.
AR 340-15 Correspondence.
AR 380-1 Safeguarding Official Information.
AR 611-201 Manual of Enlisted Military Occupational
Specialities.
AR 230-10 Nonappropriated Military Welfare Funds.
SR 605-105-5 Commissioned and Warrant Officer Person-
nel, Military Occupational Specialities.
FM 100-10 Field Service Regulations (Administra-
tion).
FM 101-5 Staff Officer's Field Manual: Staff Organi-
zation and Procedure.
FM 101-10 Staff Officer's Field Manual: Organization,
Technical, and Logistical Data.
TM 10-402 Mess Management.
3. Operations
AR 380-5 Miltary Security.
FM 7-100 Infantry Division (when published).
FM 11-17 Tactical Communications Center Operation.
FM 24-5 Signal Communications.
FM 24-18 Field Radio Techniques.
FM 24-20 Field Wire Techniques.
FM 31-21 Guerrilla Warfare.
FM 31-25 Desert Operations.
FM 31-71 Operations in the Arctic.
44 AGO 604B
 FM 70-10 Mountain Operations.
FM 72-20 Jungle Operations.
FM 100-5 Field Service Regulations (Operations).
FM 100-11 Signal Communication Doctrine.
TM 11-462 Signal Corps Tactical Communication Refer-
ence Data.
4. Training
FM 21-5 Military Training.
FM 21-6 Techniques of Military Instruction.
FM 21-40 Defense Against CBR Attack.
FM 21-60 Visual Signals
FM 22-5 Drill and Ceremonies.
FM 22-10 Leadership.
FM 22-100 Command and Leadership for the Small Unit
Commander.

5. Supply and Maintenance

DA Pamphlet 310-21 Index of Supply Manuals: Signal
Corps.
AR 735-2 Transfer of Property Accountability
and Responsibility.
AR 735-4 Expendable Property.
AR 735-5 Property Accountability: General
Principles and Policies.
AR 735-11 Accounting for Lost, Damaged, or
Destroyed Property.

6. Fortifications, Camouflage, and Demolition

FM 5-15 Field Fortifications.
FM 5-20-series Camouflage.
FM 5-25 Explosives and Demolition.
7. Miscellaneous
DA Pam 108-1 Index of Army Motion Pictures, Film
Strips and Phono-Recordings.
DA Pam 310-1 Index of Administrative Publications,
(Army Regulations, Special Regula-
tions, Department of the Army Pam-
phlets, Commercial Traffic Bulletins,
General Orders, Circulars, and Army
Procurement Circulars).
DA Pam 310-2 Index of Blank Forms.
AGO 604B 45
 DA Pam 310-3 Index of Training Publications (Field
Manuals, Reserve Officer's Training
Corps Manuals, Training Circulars,
Army Training Programs and Mobiliza-
tion Training Programs, Programs of
Instruction, Army Subject Schedules,
Army Training Tests, Graphic Training
Aids, War Department and Department
of the Army Posters, and Firing Tables
and Charts).
DA Pam 310-4 Index of Technical Manuals, Technical
Regulations, Technical Bulletins, Supply
Bulletins, Lubrication Orders, and Modi-
fication Work Orders.
DA Pam 310-5 Index of Graphic Training Aids and De-
vices.
DA Pam 310-7 Index of Tables of Organization and Equip-
ment, Tables of Organization, Type
Tables of Distribution, and Tables of
Allowances.

46 AGO 604B
 APPENDIX II
TYPICAL VEHICLE EMPLOYMENT

1. Headquarters and Headquarters Company

a. Battalion Headquarters. Vehicles for support of Battalion
Headquarters are carried in authorizations for Administrative and
Logistics Section, Operations and Intelligence Section, and Division
Signal Officer's Section.
b. Company Headquarters.
(1) One (1) Truck Cargo 3/ ton and one (1) Trailer Cargo 3/4
ton-Company commander and 1st Sergeant. Transports
company records and part of company headquarters equip-
ment.
(2) Three (3) Trucks Cargo 21/. ton and three (3) Trailers
Water Tank 1/,¼ ton-Transport of kitchen, Class II, ration
and water resupply, and delivery of prepared food and
water to Headquarters Company, Command Operations
Company, and forward communications Company elements
which may be located at a distance from company head-
quarters. Also used for emergency resupply within the Bat-
talion.
c. Administrative and Logistics Section.
(1) One (1) Truck Utility l/ ton and one (1) Trailer Cargo l/4
ton-Vehicle for battalion Executive, S1/Adjutant, S4, and
Motor Officer on shared basis for execution of their respon-
sibilities. Transport for these officers and part of Section
equipment during displacements. Power for Radio Set
AN/VRC-18.
(2) One (1) Truck Cargo 3/¾ ton and one (1) Trailer Cargo 3/4
ton-Battalion mail pick-up and delivery, and transport
for the Executive, S1/Adjutant, S4, or Motor Officer sup-
plemental to vehicle described in (1) above. Truck and
trailer transports Section personnel and remainder of Sec-
tion equipment during displacement.
d. Operationsand Intelligence Section. One (1) Truck Utility 1/4
ton and one (1) Trailer Cargo /4 ton-Vehicle for the battalion S3
and S2/Assistant S3. Transport for Section personnel equipment
during displacement.
AGO 604B 47
 e. Personnel Section. No transportation authorized specifically
Section normally located at Division Rear Echelon (Administrative
Center )and uses transportation arranged for by the Center.
f. Battalion Supply Section. One (1) Truck Cargo 21/2 ton and
one (1) Trailer Cargo 11/2 ton-Battalion Supply delivery.
g. Battalion Motor Maintenance Section.
(1) One (1) Truck Cargo 3/4 ton and one (1) Trailer Cargo
3/ ton-For on-site maintenance of vehicles, armament,
and engine generators in the battalion. Secondary use is
for emergency maintenance elements. Also tows trailer-
mounted engine generators evacuated to third echelon
maintenance shops. Transports part of section equip-
ment, spare parts, and personnel during displacement.
(2) One (1) Truck Medium Wrecker 5 ton-Wrecker for Bat-
talion Motor Maintenance Operations. Also used for off-
loading ,and reloading of signal equipment shelters
mounted on vehicles.
h. Field Cable InstallationSection.
(1) One (1) Truck Cargo % ton and one (1) Trailer Cargo
a4 ton-Route reconnaissance and supervision by Section
Chief. Also used by Field Cable Installation Teams for
laying, pick-up, and maintenance of spiral-four cable.
Trailer to transport part of battalion basic load of cable
and wire and Section equipment.
(2) Three (3) Trucks Cargo 21/2 ton and three (3) Trailers
Cargo 11/2 ton-Mission transport for three 8-man Field
Cable Installation Teams. For laying, maintenance, and
pickup of spiral-four cable, for resupply of cable, and for
transport of part of battalion basic load of cable and wire.
i. Radio Terminal and CarrierSection.
(1) Five (5) Trucks Cargo 21/. ton-Transport for two mobile
Radio Terminal Sets AN/MRC-69 and three mobile Re-
peater Radios AN/MRC-54. Tow trailer-mounted power
units organic to above sets.
(2) One (1) Truck Cargo 21/2 ton-Transport for Four Ter-
minal Telephones AN/TCC-7. Tows Generator Set Gaso-
line Engine Trailer Mounted PU-294/G.
j. Division Signal Officer's Section. Two (2) Trucks Utility 1/
ton and two (2) Trailers Cargo 1/, ton-For Division Signal Officer
(also Battalion Commander), assistant Division Signal Officer,
Division Wire Officer, and Division Radio Officer for execution of
their responsibilities. Also used by Div Sig Supply and Maintenance
Officer. Transport section personnel and equipment during displace-
ments. One trailer contains the power source for Radio Set AN/
48 AGO 604B
VRQ-3 and the other contains the power source for Radio Set
AN/VRC-18.
k. Division Communication ControlSection.
(1) Two (2) Trucks Cargo :4 ton and two (2) Trailers Cargo
3/ ton-Transport for two Direction Finding (DF) teams
employing DF set AN/PRD-1.
(2) Two (2) Trucks Cargo 21/_ ton-Mounts DA sets AN/
TRD-10. Tow trailer-mounted Power units organic to sets.
1. DivisionPhotographicSection.
(1) Three (3) Trucks Utility '/4 ton and three (3) Trailers
Cargo 1/4 ton-Mission transport for Division Photographic
Officer and photographers for photographic assignments
within the division. Trailers to transport Section equip-
ment.
(2) Two (2) Trucks Cargo 21/ ton-Mount two mobile Lab-
oratory Darkrooms AN/TFQ-7. Tow trailer-mounted
power units organic to laboratories.
m. DivisionSignal Supply and Maintenance Section.
(1) Two (2) Trucks Cargo :34 ton and two (2) Trailers Cargo
3/ ton-Transport for Division Signal Supply and Main-
tenance Officer staff, for emergency on-site maintenance
calls within Division, and pick-up and delivery of repair
items, spare parts, and emergency Class II and IV supply.
(2) Four (4) Signal Corps Repair Shops, Truck-mounted 21/2
ton, 6x6, M185-Mobile element of Division Signal Repair
Shop. One truck for general signal maintenance, including
teletypewriter and cryptographic; one truck for radio and
radar maintenance; one truck for radio, avionic, and photo-
graphic equipment maintenance; and one truck for radio,
radio relay, and carrier maintenance. Tow four (4)
Trailer-mounted Power Units PU-290/MR.
2. Command Operations Company
a. Company Headquarters. One (1) Truck Cargo 3/. ton and one
(1) Trailer Cargo %:ton-Company commander and 1st Sgt; for
company signal reconnaissance, supervision, and administration.
Also transports company records and company equipment during
displacement. Power for Radio Set AN/VRC-10, company station
in Sig Bn Cmd Net (FM).
b. Command Signal Center Plat Hq (tlo/Co), Each. One (1)
Truck Cargo 3/% ton and one (1) Trailer Cargo 3h ton-Platoon
leader and sergeant for signal reconnaissance and supervision. Also
transports platoon equipment during displacement. Power for Radio
AGO 604B 49
Set AN/VRQ-3, platoon station in Signal Bn Cmd Net (FM) or
division FM radio relay station.
(1) Message centersection.
(a) Five (5) Trucks Utility 1/4 ton-For division area sched-
uled and special messenger service on a 24-hour basis.
Transport part of section equipment during unit dis-
placement.
(b) Five (5) Trailers Cargo 1/4 ton-Transport section and
company equipment during displacement, and overload
on heavy area messenger runs.
(c) Two (2) Trucks Cargo 21/2 ton-Mount mobile Terminal
Telegraph Groups AN/MSC-13 for teletypewriter com-
munication and cryptograhic operations at echelons of
division headquarters. Tow two Generator Sets Gasoline
Engine Trailer mounted PU-294/G.
(d) Two (2) Trucks Cargo 21/2 ton-Mount Shelter Elec-
trical Equipment S-56/G for facsimile receiver/trans-
mitters and for mobile message centers and protected
cryptograhic rooms at echelons of division headquarters.
(e) Two (2) Trailers Cargo 11/. ton-Transport section and
company equipment during displacement.
(2) Telephone section.
(a) Two (2) Trucks Cargo 21/2 ton-Mount two mobile Tele-
phone Switchboard Groups AN/MTC-3 for telephone
switchboard operations at echelons of division head-
quarters. Part of section equipment carried in AN/
MTC-3 during displacement.
(b) Two (2) Trailers Cargo 11/. ton-Mount two Panels,
Patching, Communication SB-611/MRC for circuit con-
trol and patching operations at echelons of division
headquarters. Also transport part of section equipment
during displacement.
(3) Radio section.
(a) Two (2) Trucks Cargo 3/. ton-Mount and power for
two mobile radio stations, each with one AN/GRC-19,
one AN/VRQ-3, and one AN/GRR-5 radio set. For
operation in division radio nets.
(b) Four (4) Trucks Cargo 3/ ton-Mount four mobile
Radio Teletypewriter Sets AN/GRC-46 for radio com-
munication in division nets. Two also mount Radio Set
AN/VRC-10 for Radio/Wire Integration Stations at
Div echelons.

50 AGO 604B
 (c) Six (6) Trailers Cargo 3/¾ ton-Transport portable en-
gine generators for powering above radio sets. Also
transport part of section equipment during displacement.
(d) Three (3) Trucks Cargo 21/2 ton-Mount three mobile
Radio Sets AN/GRC-26 for radioteletype communica-
tion for echelons of division headquarters. Tow power
unit trailer for radio set (trailer and power unit are
components of radio set).
(4) Radio terminal and carriersection. Thirteen (13) Trucks
Cargo 21/2 ton-Mount 13 mobile Terminal Radio Sets
AN/MRC-69 for radio relay communication in Division
Area Communication System. Tow organic power units
in component trailers.
(5) Installation section. Two (2) Trucks Cargo ¾yV ton and
two (2)Trailers Cargo 3/4 ton-Mission vehicles for two
field wire and cable installation teams operating at echelons
of division headquarters. Trailers to transport part of
authorized load of wire and cable.
(6) Air supportsignal teams.
(a) One (1) Truck Cargo 3/4 ton and one (1) Trailer Cargo
31 ton-Mounts mobile air support radio station, con-
sisting of one each of Radio Sets AN/GRC-19, AN/
VRQ-3, and AN/GRR-5. Trailer mounts 28-VDC,
1.5-KW engine generator used with radio station and
also carries team equipment during displacement.
(b) One (1) Truck Cargo 21/, ton-Mounts mobile air sup-
port radio station (AN/GRC-26). Tows power unit
trailer for radio set (trailer and power unit are com-
ponents of radio set).
c. Rear Echelon OperationsPlatoonHeadquarters. One (1) Truck
Cargo 3/4 ton-Platoon leader and sergeant; for signal reconnais-
sance and supervision. Also transports platoon equipment during
displacement. Tows trailer-mounted Generator Set PU-322/G in
Message Center Section.
(1) Message center section.
(a) One (1) Truck Utility 1/4 ton-Scheduled and special
local messenger service from Rear Echelon Signal Cen-
ter. Transports part of section equipment during unit
displacement.
(b) One (1) Trailer Cargo 1/ ton-Transports part of sec-
tion equipment during displacement.
(2) Telephone section. One (1) Truck Cargo 3/4 ton and one
(1) Trailer Cargo 3/., ton-For field wire and cable instal-
lation at the Rear Echelon Signal Center. Trailer trans-
AGO 604B 51
 ports part of authorized load of wire and cable. Truck
and trailer transport switchboard and other section equip-
ment during displacement.
(3) Radio section. One (1) Truck Cargo 21/. ton-Mounts
mobile Radio Set AN/GRC-26 for radio communications
for division Rear Echelon. Tows organic power unit for
radio set in component trailer.
d. Trains Area OperationsPlatoon Headquarters. One (1) Truck
Cargo 3/ ton-Platoon leader and sergeant; for signal reconnais-
sance and supervision. Also transports platoon headquarters equip-
ment during displacement. Power for Radio Set AN/VRC-18,
platoon station in Signal Bn Cmd Net (FM) and trains Cmd Net
(FM). Tows trailer-mounted Generator Set PU-322/G in Message
Center Section.
(1) Message center section.
(a) One (1) Truck Utility 1/1 ton-Scheduled and special
local messenger service from the Division Area Signal
Center. Transports part of section equipment during
unit displacement.
(b) One (1) Trailer Cargo 1/4 ton-Transports part of sec-
tion equipment during displacement.
(2) Telephone section. Two (2) Trailers Cargo 3/ ton-Mount
two Panels, Patching, Communication SB-611/MRC for
circuit patching and testing in Division Area Communica-
tion System Signal Centers operated by platoon. Trailers
towed by vehicles in installation section.
(3) Radio section.
(a) One (1) Truck Cargo 3/; ton-Mounts mobile Radio
Teletypewriter Set AN/GRC-46 for communications,
including area damage control communications, in the
Division Trains area. Also mounts Radio Set AN/
VRC-18, the Trains Area Radio/Wire Integration
Station.
(b) One (1) Trailer Cargo 3/4 ton-Transports section and
platoon equipment during displacement, and portable
engine generators for powering above radio set.
(4) Radio terminal and carrier section. Four (4) Trucks
Cargo 21/2 ton-Mount mobile Terminal Radio Sets AN/
MRC-69 for Trains Area Signal Center terminal and
repeater stations in the Division Area Communication Sys-
tem. Tow organic power units in component trailers.
(5) Installation section. Two (2) Trucks Cargo 34 ton-
Mission vehicles for two field wire and cable installation
teams operating out of the Trains Area Signal Center. Tow
52 AGO 604B
 trailers authorized Telepone Section during displacements
of that section's facilities.
e. Brigade Operations Platoon Headquarters. One (1) Truck
Utility, 1/4 ton, 4x4-Platoon Leader and sergeant; for signal recon-
naissance and supervision. Power for Radio Set AN/VRC-10,
platoon station in Signal Bn Cmd Net (FM). One (1) Trailer Cargo
/4 ton-Transports part of platoon equipment during displacement.
(1) Message centersection.
(a) One (1) Truck Utility 1/4 ton-Scheduled and special
local messenger service from the Brigade Signal Center.
Transports part of section equipment during unit dis-
placement.
(b) One (1) Trailer Cargo 1/ ton-Transports section equip-
ment during displacement.
(2) Radio section.
(a) One (1) Truck Cargo 3/4 ton-Mounts mobile Radio
Teletypewriter Set AN/GRC-46 for communication in
the division command/operations net.
(b) One (1) Trailer Cargo 3/ ton-Transports section and
platoon equipment during displacement, and portable
engine generator for powering above radio set.
(3) Telephone section.
(a) One (1) Truck Cargo 3/4 ton-For field wire and cable
installation team operating in the Brigade Headquarters
'area. Mounts Reel Unit RL-26.
(b) One (1) Trailer Cargo 3/¾ ton-Transport for part of
authorized load of wire and cable. Transports section
equipment during displacement.
3. Forward Communications Company
a. Company Headquarters. One (1) Truck Cargo 3/¾ ton and one
(1) Trailer Cargo 3/ ton-Company commander and 1st Sgt; for
company signal reconnaissance, supervision, and administration.
Also transports company records and company equipment. Power
and mount for Radio Set AN/VRQ-3; company station in Signal
Bn Cmd Net (FM) or forward area FM radio relay station in
Div CG/ Command Net.
b. Battle Group Area Support Plat Hq (Five/Co), Each. One (1)
Truck Cargo 3/4 ton and one (1) Trailer Cargo 3/ ton-Platoon
leader and sergeant; for signal reconnaissance and supervision. Also
transports platoon headquarters equipment. Power for Radio Set
AN/VRC-18; platoon station in Sig Bn Cmd Net (FM) and in
Cmd Net (FM) of supported battle group.
AGO 604B 53
 c. Message Center Section (Five/Co), Each. One (1) Truck
Cargo 44 ton-Mounts mobile Teletypewriter Terminal Group AN/
MGC-17 for teletypewriter, message center, and cryptograhic opera-
tions in a Forward Signal Center. Transports section equipment
during displacement. Tows trailer-mounted Generator Set PU-
322/G.
d. Telephone Section (Five/Co), Each.
(1) Two (2) Trucks Cargo 3/, ton-Mount two mobile Tele-
phone Switchboard Groups AN/MTC-7, for telephone
switchboard operations in a Forward Signal Center (one
in operation, the second for displacement and for establish-
ing a Forward Switch). Transports part of section equip-
ment during displacement.
(2) Two (2) Trailers Cargo * ton-Mount two mobile Panels,
Patching, Communication SB-611/MRC for circuit control
and patching operations in a Forward Signal Center (one
in operation, the second for displacement and for estab-
lishing a Forward Switch). Transports section equipment
during displacement.
e. Radio Section (Five/Co), Each. One (1) Truck Cargo 3/1 ton
and one (1) Trailer Cargo l/ton-Mount and power for Radio Sets
AN/VRQ-2 and AN/VRQ-3; Radio/Wire Integration Station in
a Forward Area Signal Center. Trailer transports power unit and
part of platoon equipment.
f. Radio Terminal and Carrier Section (Five/Co), Each. Three
(3) Trucks Cargo 21/2 ton-Mounts mobile Terminal Radio Sets
AN/MRC-69 for Forward Area Signal Center terminals and ex-
tensions in the Division Area Communication System. Tow organic
power unit in component trailer.
g. Installation Section (Five/Co), Each. One (1) Truck Cargo
3/] ton and one (1) Trailer Cargo 3/ ton-Mission vehicle for field
wire installation team. Trailer transports part of authorized load
of wire.
h. Forward Repair Section (Five/Co), Each. One (1) Signal
Corps Repair Shop Mounted in Truck Cargo 21/2 tons 6x6-Mobile
radio and wire field maintenance shop for direct support emergency
repair of signal equipment in division forward area. Also used for
organizational signal maintenance for Platoon. Tows Generator Set
PU-290/MR in component trailer.

54 AGO 60411
 [AG 300.7 (15 Apr 57)]

By Order of Wilbur M. Brucker, Secretary of the Army:

MAXWELL D. TAYLOR,
General, United States Army,
Official: Chief of Staff.
HERBERT M. JONES,
Major General, United States Army,
The Adjutant General.

Distribution:
Active Arny:
ASA Inf Div
DCSOPS Svc Colleges
DCSLOG Br Svc Sch
Technical Stf, DA USA Intel Sch
USCONARC USA Avn Sch
OS Maj Comd SigC Tng Ceh
MDW Army Elet PG
Armies (CONUS) Units org under fol TOE:
Corps 11-5 (ROCID)
NG: None.
USAR: None.
For explanation of abbreviations used, see AR 320-50.

i U. S. GOVERNMENT PRINTING OFFICE: 1757-44OD13

AGO 604B 55