Logistics and Combat Service Support
Logistics and Combat Service Support
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FM 3-97.6 ________________________________________________________________________________
                                 HISTORICAL PERSPECTIVE
      The Importance of Lines of Communications: The Satukandav Pass
               (Soviet-Afghan War, November-December 1987)
          One of the characteristics of the Soviet-Afghan War (December 1979 - Feb-
          ruary 1989) was the attempt by both sides to control the other’s lines of com-
          munications (LOCs). In an effort to deprive the guerrillas of their source of
          sustainment, the Soviets used various methods to drive the rural population
          into exile or into cities. For their part, the Mujahideen regularly interdicted sup-
          ply routes through the establishment of blocking positions and vehicular am-
          bushes. In some regions, they were able to effectively interdict supply routes
          for weeks, months, and even years at a time. The Soviet main supply route
          was a double-lane highway network winding through the rugged and inhospi-
          table Hindu Kush Mountains. The continued Soviet presence in Afghanistan
          depended, in large part, on their ability to keep the roads open. Therefore,
          much of heavy Soviet combat was a fight for control of this road network, with
          this control often changing hands during the course of the war.
          In the fall of 1987, the Mujahideen had established a series of blocking posi-
          tions that severely limited the supply of weapons, ammunition, and food to So-
          viet forces in the Khost district. In response, the Soviets planned and
                                             MRR
                                                                                     N
                                       1st ABN CO
                                       010700 DEC
                                                                 ABN BN
                            AAG                                  011430
                                            ABN BN
                                                             3400 DEC
                                          011000 DEC
                                      3rd ABN CO
                       40th ARMY      011200 DEC
                           TO GA
                                 RD E Z
                                                                             ABN BN
                             1 2 km                                        011800 DEC
                                          DARI                        TO K
                                                                           HO   ST
                          DAG
                                                    SATUKANDAV PASS
                          ABN
                          DIV
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         conducted Operation Magistral, “main highway,” to open the LOCs (see Figure
         5-1). The guerrilla forces had established strong positions in the Satukandav
         Pass, virtually the only way through the mountains between Gardez and
         Khost. For the operation, the Soviets massed a motorized rifle division, air-
         borne division, separate motorized rifle regiment (MRR), separate airborne
                                 th
         regiment, various 40 Army regiments, special forces, and other subordinate
         units, and regiments from the Afghan Armed Forces. On 28 November, in or-
         der to determine the location of Mujahideen positions, particularly air defense
         systems, the Soviets conducted a ruse in the form of an airborne assault us-
         ing dummy paratroopers. When the Mujahideen fired at the dummies, Soviet
         artillery reconnaissance was able to pinpoint enemy strong points and firing
         positions. The Soviets hit these positions with air strikes and a four-hour artil-
         lery barrage. The next day, however, an MRR failed to make its way up the
         foothills to seize the dominant terrain along the crest, and suffered heavy
                              th
         casualties. The 40 Army Commander, General Gromov, nevertheless, de-
                                                                st
         cided to continue to press his advance using the 1 Airborne Battalion and a
         battalion of Afghan commandos. On 1 December, two airborne companies
         captured key terrain and used this to support the decisive operation against
         the dominant peak to the south. This flanking attack took the Mujahideen by
         surprise and they began to withdraw. While calling in artillery fire on the re-
         treating guerrilla forces, primarily on the reverse slope and along the probable
         avenue of approach for the commitment of enemy reserves, the Soviet bat-
         talion commander used this hard-won, key terrain to support a simultaneous,
         two-prong attack to the south toward the Satukandav Pass. Now it was the
         Soviets who were in a position to cut off supplies, especially fresh drinking
         water, from the Mujahideen. The latter were forced to withdraw, and the two
         battalions captured the pass. However, while the operation itself was a suc-
         cess, Soviet and Afghan Army forces could keep the road open for only 12
         days, after which the Mujahideen once again cut off the supply route to Khost.
         Both sides recognized the vital importance of LOCs, and this shift of LOC
         control was a constant feature throughout the entire duration of the Soviet-
         Afghan War. The Mujahideen’s ability to interdict the LOCs prevented the So-
         viets from maintaining a larger occupation force there, a key factor in the
         eventual Soviet defeat.
           Compiled from The Other Side of the Mountain and The Bear Went Over the Mountain.
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FM 3-97.6 ________________________________________________________________________________
                     •   The type and maximum number of vehicles that the road network can
                         support in the area. New roads may need to be constructed or
                         improvements made to existing ones to support protracted operations
                         in isolated areas.
• Classification of bridges.
                     •   Suitable sites for drop zones (DZs), loading zones (LZs), and short,
                         tactical airstrips.
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SECTION II – SUPPLY
                 5-10. The total tonnage of supplies required by the force may also decrease.
                 For example, while individual vehicle petroleum, oils, and lubricants (POL)
                 consumption may increase, overall consumption may decrease because of
                 lower vehicle movement. The quantity of supplies needed by the individual
                 soldier normally increases. Soldiers consume more food because of increased
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FM 3-97.6 ________________________________________________________________________________
SUPPLY ROUTES
                  5-11. Main supply routes are generally limited to the roads located along
                  major valleys and, through necessity, to the smaller, more restrictive trails
                  that follow or parallel the ridgelines. The limited number of routes increases
                  the volume of traffic and places heavy demands on engineer units to maintain
                  them. In most cases, engineer units require assistance in clearing and
                  developing, as well as in securing, these routes. Travel times for ground
                  transportation assets are significantly increased due the generally poor
                  quality of mountain roads and trails, frequent switchbacks, and steep grades
                  that require lower vehicle speeds. Traffic control assumes increased
                  importance due to the limited number of routes in the mountains, and may
                  require an increased number of military police dedicated to the task of
                  battlefield circulation control. In particular–
                     •   Signs should be placed for both day and night moves on difficult and
                         dangerous routes.
                  5-12. The enemy will emphasize destroying logistical units and interdicting
                  supply activities. Enemy units will infiltrate and seize key terrain that
                  dominates supply routes in an effort to disrupt and isolate units from their
                  logistics support. Using mountain trails and roads without securing the high
                  ground on both sides invites ambush. Patrols must be continually conducted
                  at irregular intervals to verify the status of roads and prevent enemy
                  infiltration. Patrols must be continuously alert for ambush and they must be
                  skilled at locating and identifying mines. However, a combination of patrols
                  and aerial reconnaissance is the best means of providing route security.
                  Observation posts on dominant terrain along supply routes are also essential
                  for early warning of enemy infiltration into rear areas.
                  5-13. Most often, units have to use the narrrow ridge trails as alternate
                  supply routes, in some instances as main supply routes, to reduce the volume
                  of traffic on the main supply routes located along valley floors. This involves
                  movements in much more restrictive terrain and exposure to excellent
                  observation and fire by the enemy. Supply columns moving along separate
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                 routes face the same problems as combat units; they face the difficulties of
                 being able to provide mutual support due to compartmented terrain, should
                 one column come under attack. Movement of supplies at night may reduce
                 vulnerability to enemy attack, but night marches present other hazards due
                 to the difficult terrain, and require daylight reconnaissance, careful route
                 preparations, and using guides.
CLASSES OF SUPPLY
CLASS I: RATIONS AND WATER
                 5-14. The strenuous activities required during mountain operations increase
                 caloric requirement to 4,500 calories or more per day. Improper or too little
                 food means soldiers will lack the stamina to accomplish the mission. Although
                 combat rations are normally used, unitized group rations (UGRs) should be
                 provided once a day if the situation permits. Individual packages of oatmeal
                 and dehydrated soup mixes should be issued if the UGR cycle cannot be
                 maintained.
                 5-16. Proper water production, resupply, and consumption are essential and
                 a constant challenge during mountain operations. In low mountains, planners
                 should count on at least four quarts of water per soldier per day when static
                 and up to eight quarts per day when active. In high mountains, planner
                 should increase those requirements by about two quarts per soldier. In the
                 mountain environment, medical care often requires an increased water
                 supply and must be considered as part of the original planning and
                 contingency factors.
                 5-17. Units should always be prepared to use natural water sources to help
                 reduce the logistics burden. However, far above the timberline, water is
                 extremely difficult to find. Special measures must be taken to protect it from
                 freezing in cold weather, such as placing canteens in the chest pockets of the
                 extended cold weather clothing system (ECWCS) coat, hanging a two-quart
                 canteen on a strap under the coat, or utilizing a camel-back type,
                 commercially available, canteen under overgarments. Purification and
                 chemical sterilization are always necessary no matter how clean mountain
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FM 3-97.6 ________________________________________________________________________________
                  5-20. At 600 meters (2,000 feet), multi-fuel cook stoves operate at about 75
                  percent efficiency. When soldiers refuel cook stoves, they must avoid using
                  automotive fuel. Fuel points must supply units with refined or white gasoline
                  that is specifically produced for pressurized stoves. Relatively large quantities
                  of this fuel will be used when procuring water and preparing food. Adequate
                  quantities of five-gallon cans, nozzles, and one-quart fuel bottles must be on-
                  hand before deployment.
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CLASS V: AMMUNITION
                 5-22. Because of terrain, ammunition resupply is difficult, making strict fire
                 control and discipline an absolute necessity. Ammunition transfer points need
                 to be as far forward as possible without revealing friendly unit locations or
                 placing ammunition stocks at risk of capture or destruction. Direct delivery to
                 the user may be required using aerial resupply. Innovation and flexibility are
                 critical. In the mountains, the traditional mixes of tank ammunition may be
                 less effective. Depending upon the specific threat, more rounds may be
                 needed to attack light vehicles and fortified positions and less may be needed
                 to engage tanks. Ammunition consumption for direct fire weapons may be
                 low, however, consumption of indirect fire munitions, such as grenades,
                 mortars, and artillery, may be high because of the dead space common to
                 mountainous terrain. Planners must ensure that increased consumption of
                 indirect fire munitions is included in computating required supply rates.
CLASS VII AND IX: MAJOR END ITEMS AND REPAIR PARTS
                 5-23. Rugged terrain and climate extremes cause an increase in repair parts
                 consumption. However, overall vehicle utilization decreases in many
                 situations. Because it is difficult to transport large end items to forward
                 units, the commander must place additional emphasis on preventive
                 maintenance and repair.
                 5-25. Transportation assets for mountain operations are often limited, and
                 their use requires sound planning. Although vehicles are used to move
                 supplies as far forward as possible, they may not be able to reach deployed
                 units. Using smaller cargo vehicles with improved cross-country mobility and
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FM 3-97.6 ________________________________________________________________________________
                  5-29. Personnel support in the mountains is not unlike that provided to other
                  types of operations except for the limitations on soldiers and equipment posed
                  by the environment. Key personnel support missions are to provide manning
                  and personnel service support to unit commanders, soldiers, and Army
                  civilians.
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                5-31. Postal services establish the link between soldiers and their family and
                friends and assist in defeating the isolation caused by the compartmented
                terrain and the resulting dispersion of units. However, the limited lines of
                communications in mountainous terrain may adversely affect mail
                distribution. Inefficient distribution of mail can quickly undermine morale,
                regardless of the AO. The timely delivery of mail is especially important in
                countering the shock of entering a new environment. Commanders should
                consider devoting a high priority to the distribution of mail on arrival in the
                theater of operations. FM 1-0 describes in detail the critical personnel
                systems and functions essential to providing manning and personnel service
                support.
PLANNING
                5-32. Combat health support (CHS) in the mountains is characterized by–
                5-33. When planning CHS, commanders must consider the tactical situation,
                the nature of the terrain, and speed of movement along the chain of
                evacuation. Aid stations should be centrally located in relation to supported
                units. The exact location should be based on the ability to provide shelter
                from the elements, cover and concealment from the enemy, ease of
                evacuation, and expected casualty rates.
                5-34. The decentralization in the mountain area of operations also forces the
                decentralization of CHS. Commanders may need to establish casualty
                collection points, operated by aidmen from the evacuation section, to support
                isolated elements. These points are designated at intermediate points along
                the routes of evacuation where casualties may be gathered. Additionally,
                multiple ambulance exchange points may be required to transfer casualties
                from one type of transportation to another.
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FM 3-97.6 ________________________________________________________________________________
EVACUATION
                  5-35. Aeromedical evacuation remains the preferred form of casualty
                  evacuation in mountain operations. Aircraft provide the best capability of
                  evacuating casualties from isolated locations and transporting them to
                  treatment centers. However, in many instances, even lightly wounded
                  personnel may not be able to move unassisted over rough terrain and LZs
                  may not be available.
                  5-38. Because units normally deploy over a wide area and the availability of
                  qualified technical evacuation teams is likely to be limited, all soldiers should
                  be trained to conduct less technical, steep-slope evacuations. Two of the most
                  qualified evacuation teams should be identified in each battalion-sized unit
                  prior to planned operations. They should be designated as the battalion's
                  technical evacuation assets and should undergo more advanced
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TREATMENT
                5-40. Treatment of the wounded in
                forward areas by medical personnel
                is extremely difficult in restrictive
                terrain, since even a single company
                is often deployed over a wide area.      • High-angle ascending and
                Combat in the mountains demands a           descending techniques.
                greater reliance on self-aid, buddy-     • Anchor points and
                aid, and unit combat lifesaver              systems.
                techniques. Emphasis must be placed      • Litter rigging.
                on lifesaving and life-preserving        • Lowering and raising
                measures to be performed before             systems.
                medical personnel arrive. Unit           • Avalanche search and
                combat lifesavers must be identified        rescue.
                and trained to perform in the
                absence of medics. Units operating in
                                                         Figure 5-5. Mountain Evacuation
                mountainous areas should strive to
                                                                   Team Tasks
                meet or exceed Army standards for
                the number of combat lifesavers required for their specific unit. See FM 4-
                02.92 for more information on combat lifesavers.
                5-41. Soldiers in mountain regions are exposed to many and varied types of
                illnesses and injuries. Appendix A describes the cause, prevention, symptoms,
                and treatment of common mountain illnesses and injuries.
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