US Army Brigade
Combat Team                                                                                                                Dr Carlo Kopp
    LAV III Stryker operating in Iraq, with anti-RPG mesh fitted. An ongoing criticism of the LAV in urban operations has been vulnerability to RPG fire,
    larger IEDs and difficulty negotiating very narrow streets. Proponents of the LAV argue that the vehicle is so quiet that opponents can often be
    surprised by their arrival.
                                                                       he US Army is reinventing itself through    M1 Abrams tank, the M109 Paladin, the MLRS
                                                          T
                                                                       the most radical and deep force             rocket artillery system, the Apache/Black Hawk
                                                                       structure changes in 60 years. These        helicopters, and the Patriot SAM system all
                                                                       changes are in part a result of             occupied niches in this model, which provided
                                                                       technological evolution and a result of     mobile heavy forces intended to hold enemy
                                                                       changing styles of conflict. This           offensives, and to provide a manoeuvre force
                                                          process of change has resulted in the most               capable of punching through layered Soviet style
                                                          acrimonious argument observed in the US Defense          defensive formations.
                                                          debate in many decades. This revolutionary change        This force structure aimed to break the Warsaw
                                                          has lessons for Australia as its force grapples with     Pact in a direct confrontation and execute
                                                          the changing technology and complexity of conflict.      'Blitzkrieg' style operations. The land campaigns of
    M1131 Stryker Fire Support Vehicle. The FSV is
                                                          In the US the debate is divided along two principal      1991 and 2003 in Iraq illustrated the capability of
    a sensor platform with a laser ranging /              axes. The first axis is that of the heavy versus the     such forces to dominate on the classical
    designation capability, and a communications          medium/light structure force; the second axis            manoeuvre battlefield.
    package, intended to facilitate direct and indirect   focuses on how to best implement light and               The limitation of such a heavy force structure is in
    fire support.                                         medium forces. The eventual outcome will likely be       its poor strategic mobility and immense logistical
                                                          brigade-sized combat elements termed Brigade             tail to support the force with ammunition fuel and
                                                          Combat Teams (BCT). There certainly has been no          other consumables. With such a large fraction of
                                                          shortage of opinion on all sides of this complex         heavy equipment, this style of force requires
                                                          debate.                                                  extensive and slow sealift capability and large
                                                          The established US Army force structure is the           secure staging areas through which to deploy. That
                                                          product of direct linear evolution that started during   was not an issue for potential Cold War conflicts as
                                                          the early years of World War II. Stimulated by           much of the force was pre-deployed, with
                                                          conflicts in which the US was pitted against the         permanent basing in Europe and South Korea.
                                                          Wehrmacht, Waffen SS, and Japanese                       The changing nature of conflicts over the last
                                                          Army/Marines this evolutionary process                   decade stimulated evolutionary changes. The US
                                                          encountered a succession of conflicts involving          became embroiled increasingly in conflicts that
                                                          Soviet surrogates and the four decades of standoff       required rapid deployment of ground forces and,
    M1132 Stryker Engineer Support Vehicle. The           in Central Europe. Korea and Vietnam were pivotal,       more recently, sustained deployment of forces to
    ESV is intended to support mine clearing and          with the US fighting derivatives of Soviet doctrine      secure territory. While well adapted to this regime
    obstacle removal tasks.
                                                          and technology.                                          of combat, the US Marine Corps is much smaller
    (Photos: US Army)                                     The product of this process over several decades         than the US Army and its role centres on
                                                          was a heavy force structure, characteristically built    amphibious operations rather than general-
                                                          around specialised divisional size formations. The       purpose land warfare.
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                                                      The succession of conflicts since 1989 also             BMP-1 infantry-fighting vehicle was introduced.
                                                      brought significant reductions in the capabilities of   The debate over the future shape of the US Army
                                                      opposing ground forces. Hammered for weeks or           boiled over with the acrimonious public argument
                                                      days by air power delivering precision weapons          over the cancellation of the Crusader Self Propelled
                                                      before a land force made contact, these forces          Howitzer, this eventually led to the removal of the
                                                      abandoned the Cold War notion of massed tank            then Secretary of the Army.
                                                      battles under the deluge of smart bombs raining         Current US Army planning reveals a shift away from
                                                      from the sky.                                           heavy to medium and light dominant formations
                                                      The US Army thus had to confront two core               well under way.
                                                      problems. The first was to achieve strategic            Another facet of the US debate about future force
                                                      mobility so the force could arrive in theatre quickly   structure centres on how to best implement the
M1126 Stryker Infantry Carrier Vehicle (LAV-III). The enough to matter; the second was wasting the            'new look' force structure. That debate has been no
core of the BCT Striker brigades is the ICV, which    world's best heavy divisions against an opposing        less acrimonious, and no less protracted.
has a crew of two and carries nine infantrymen .      heavy force ‘littered’ across the battlefield           n the first iteration of the US Army drive for highly
                                                      following aerial attacks.                               mobile forces, the LAV-III 8x8 family of vehicles
                                                      The Marine Corps coped well with this post-Cold         became the basic platform for the medium brigade
                                                      War style of combat. Traditionally an all arms force    force structure. The LAV-III is a redesigned
                                                      using combined force formations, and accustomed         derivative of the existing LAV-25 series, itself an
                                                      to using air power as a substitute for heavy land       evolution of the earlier MOWAG Piranha 6x6 and
                                                      force firepower, the Marines stole the limelight        8x8 vehicles. Larger and heavier than the Marine
                                                      repeatedly.                                             Corps LAV-25 derivatives, the LAV-III is much
                                                      However, the process of change for the US Army          closer in concept to the ubiquitous Soviet BTR-60
                                                      has been painful. With decades of institutional         family of vehicles, and the slightly larger Warpac
                                                      experience centred in divisional sized heavy            OT-64 series.
M1128 Stryker Mobile Gun System. The Stryker
                                                      formations, few in the Army community liked the         This choice was strongly disputed, and continues
brigades will derive much of their fire power from
the MGS system, which is equipped with a 105mm idea of shifting to a combined arms model –                    to be disputed, by the Air Mech Strike (AMS) study
gun common to early variants of the M1 Abrams         trading away heavy formations for medium and            group, an association of retired and serving US
tank. The MGS has a stabilised turret, permitting     light formations, becoming more like the                Army officers, mostly from the airborne division.
the three-man crew to fire on the move.               competing Marine Corps.                                 AMS argue that the LAV-III is too soft and too heavy,
                                                      The combined arms model closely coupled with            lacks the cross-country and urban terrain mobility
                                                      supporting air power is hardly unique. Pioneered by     of a tracked equivalent such as an evolved M113,
                                                      the Soviets and Nazi Germany during the lead-up         and the LAV-III is difficult to airlift. Airlift is a critical
                                                      to World War II, air power remained central to          consideration for the AMS group, who regard
                                                      Soviet force structure planning until the collapse of   dependency upon C-17 and C-5 airlift as a critical
                                                      the regime. It is a model designed around               bottleneck in the strategic mobility of the planned
                                                      formations of arbitrary sizes, which provide a          medium and light forces. AMS have produced a
                                                      balanced mix of capabilities, usually optimised for     range of innovative proposals, including the idea of
                                                      a specific theatre or opposing formation. A good        using surplus commercial 747 freighters to lift
                                                      example would be a Wehrmacht or Waffen SS               M113 and Wiesel equipped medium/light forces, to
                                                      combined arms formation in 1944, equipped with          bypass the strategic mobility bottlenecks.
M1127 Stryker Reconnaissance Vehicle. The RV          PzKw V and VI heavy tanks along with SdKfz 251          Unfortunately for the AMS group, their arguments
is intended as a platform for deploying six strong    half-track infantry carriers and support vehicles,      to date have not been accepted by the Army
scout teams. The baseline vehicle is also             Sturmgeschutz III/IV tracked assault guns,              leadership, and the focus in the new structure
common to the M1129 Stryker Mortar Carrier,           Jagdpanzer IV self propelled anti-tank guns, SdKfz      remains on the LAV-III centric model for medium
equipped with a 120 mm and 60 mm mortar for
indirect fire roles.                                  230 series 6x6 and 8x8 armoured cars, and other         forces.
                                                      vehicles.                                               Long term, the US Army envisages the introduction
                                                      The Soviets closely emulated this model, using          of the Future Combat Systems (FCS) vehicles as
                                                      mixed tanks and tracked self-propelled guns with        the core capability of the light/medium force
                                                      wheeled BTR-60 and tracked BTR-50 personnel             structure.
                                                      carriers until the late 1970s, when the tracked
M1135 Stryker NBC Recon Vehicle. The NBC RV
is intended to perform nuclear, biological and
chemical reconnaissance in contaminated terrain.
It includes full NBC capability including an
overpressure system.
                                                       M1134 Stryker Anti-Tank Guided Missile. The ATGM variant is intended to provide a highly
                                                       mobile anti-tank capability, using a remote control turret with sensors and a pair of TOW
                                                       missile launcher tubes. The system is intended to supplement the MGS.
                                                       M1133 Stryker Medical Evacuation Vehicle. The MEV is intended to
                                                       carry four patients on litters, and provides space for three medics.
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                                                                          Brigade Combat Teams
                                                                          The US Army is now in the process of restructuring
                                                                          from a force structure model built around division-
                                                                          sized formations to a one built around brigade-
                                                                          sized formations. Aside from changes in equipment
                                                                          types, this represents the single largest force
                                                                          structure change in the US Army for many decades.
                                                                          The aim is to provide smaller and more flexible
                                                                          self-contained formations, suitable for rapid
                                                                          deployment while permitting the deployment of
                                                                          'tailored' forces for specific campaigns. Rather
                                                                          than deploying a small number of divisions, a
                                                                          larger number of brigades would be combined to
                                                                          achieve the same numbers but with more flexible
                                                                          composition for the task at hand.
                                                                          These brigade-sized combat elements are termed
                                                                          Brigade Combat Teams (BCT) and will be the model
                                                                          into the foreseeable future. A key feature is that
                                                                          many capabilities, historically maintained at a
                                                                          corps or divisional level, will be migrated down to
                                                                          the brigade level to facilitate autonomy and
                                                                          deployability.
    The Brigade Combat Team model (US Army).                              Three brigade designs have been defined for the
                                                                          BCTs: Heavy (armoured/mechanised), Stryker and
                                                                          Infantry. Commonality across the structure of all
                                                                          BCTs is to be as high as practicable, with
                                                                          differences reflecting role specialisations for
                                                                          specific BCT types.
                                                                          The Heavy and Infantry brigade structures will have
                                                                          two manoeuvre battalions while the Stryker will
                                                                          have three. The Heavy and Infantry brigades will
                                                                          have an RSTA (Reconnaissance, Surveillance and
                                                                          Target Acquisition) squadron, a fire battalion, a
                                                                          support battalion and brigade troops battalion. In
                                                                          Stryker brigades, an engineer company will replace
                                                                          the troops’ battalion. RSTA squadrons or battalions
                                                                          would provide conventional and chemical recce
                                                                          functions. The brigade troops’ battalion would
                                                                          provide command post, liaison, intel and signals
                                                                          capabilities for the brigade.
                                                                          The Heavy and Infantry BCTs would have
                                                                          manoeuvre elements comprising two combined
                                                                          arms battalions with four infantry or armour
                                                                          companies, plus scouts, engineers and
                                                                          sustainment forces.
                                                                          The fires battalions comprise two artillery batteries
                                                                          with supporting acquisition and counter-battery
                                                                          radars.
    Transformtion of the divisional model to a brigade model (US Army).   The restructured brigade model is complemented
                                                                          by a reorganised headquarters model, which
                                                                          replaces the existing corps and divisional
                                                                          headquarters elements.
                                                                          This model is centred on the UEx (Unit of
                                                                          Employment X) scheme, in which a modular and
                                                                          deployable headquarters element with separate
                                                                          command posts control up to six BCTs in combat
                                                                          operations, and possibly more in 'stability'
                                                                          operations (peacekeeping/enforcement). These
                                                                          BCTs are currently Infantry, Stryker, Heavy and in
                                                                          the future FCS equipped.
                                                                          A mix of Supporting Brigades, comprising
                                                                          Manoeuvre Enhancement, Battlefield Surveillance,
                                                                          Aviation, Fires and Sustainment brigades, further
                                                                          supports the model combining BCTs and UEx
                                                                          headquarters.
                                                                          Manoeuvre Enhancement brigades are additional
                                                                          brigade level combat forces intended to preserve
                                                                          freedom of movement for the BCT elements, these
                                                                          include capabilities such as EOD, air defence,
                                                                          chemical decontamination and reconnaissance,
                                                                          and would be tailored to specific environments.
    The UEx model (US Army).
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Battlefield Surveillance brigades would provide extensive RSTA and
intelligence capabilities to support the BCTs.                               Conclusions
Aviation Brigades include scout, attack and transport helicopters.           There seems little doubt that the new brigade level structure being
Fires Brigades are intended to provide precision and standoff fire support   adopted by the US Army will be better suited to an environment in which
to BCTs, including close support when in contact with enemy forces.          multiple conflicts of varying intensity, scale and duration are more likely
Sustainment Brigades will provide logistical support for the UEx package     than the Armageddon scenario of the Soviets rolling through the Fulda
in theatre.                                                                  Gap.
                                                                             Indeed, other than an unlikely scenario of a land force invasion of the
Other Structural Changes                                                     PRC, there may not be any conflicts in the foreseeable future that fit the
                                                                             pattern of the Cold War. As a result, specialised formations and
The dissolution of the established Army, Corps and Divisional structures     capabilities built around the Cold War model are likely to become niche
in favour of the more granular and flexible BCT model has captured           capabilities, not sustainable in the longer term.
much of the debate, but it is not the only change.                           The challenge faced by the US Army in it transformation process is to
Restructuring and growth of Army Special Operations Forces (ARSOF)           ensure that the new model delivers the intended effect. Combined arms
aim to enhance Special Forces (SF), Civil Affairs (CA), Psychological        forces can work well, as proven by practitioners since the 1940s, but
Operations (CA), Ranger, and Army Special Forces Aviation (ARSON)            cultural changes and different thinking about how force is applied is
capabilities. The emphasis would be not only on strengthening these          paramount. While much of the resistance has been institutional, as
capabilities but also structuring them in a modular fashion so they can      changes on this scale are unsettling for any large organisation, an
be more easily attached to BCT structured force elements in theatre.         ongoing problem has been reluctance to wind down capabilities that are
Changes are also planned for organic Air Defense Artillery (ADA) units,      of limited usefulness in contemporary conflict - the heavy tracked self
which encompass Surface to Air and Anti-Ballistic Missile capabilities.      propelled guns formations are a good example. In this respect, the US
The legacy model of an organic ADA battalion in each division is being       Army is going through the same trauma as navies did with the decline of
dissolved to provide a pool of ADA battalions attached as required to a      the battleship and heavy battle cruiser.
deployed BCT centric force element.                                          For the ADF there are many good lessons to be learned from this process
Engineer forces would also undergo restructuring. BCTs would have            in its process of transformation of the Australian Army into a Hardened
embedded engineer force elements designed to support BCT operations,         Networked Army, with the capability and flexibility to deal with a range
while additional engineer force elements would be pooled to selectively      of combat, peacekeeping and humanitarian exigencies.
augment specific formations as required.
Medical units, Signals, Intelligence and Military Police forces would also
be restructured to adapt to the BCT model, and some roles changed to
better adapt to the current environment.
The legacy US Army Chemical Corps, responsible for NBC protection,
smoke generation, chemical reconnaissance, and historically offensive
use of CW, would be restructured into company and platoon sized
elements, attached as required to BCT formations or used to support
homeland defence operations.
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