American Army
There are four sets of organization for the US army, Pentomic, ROAD, Division 86 and Army XXI. ROAD, Division 86 and Army XXI units practiced cross attachment, so Tank and Mechanized Companies may be fielded with companies from the opposite. Similarly the Brigades are very flexible, and can command from 2 to 5 battalions in these units. Prior to 1958 all World War Two organizations are in effect except that newer weapons are used.
American Pentomic Battle group 1958
HQ Company 1HQ
Scout Platoon 1 Jeep/MG, 1 M41
Anti Aircraft Platoon 1 Truck, 1 12.7AAG
Anti Tank Platoon 2 Jeep/106
Engineer Platoon 1 Truck, 1 Engr, 1 FT
5 Infantry Companies each 5 Truck, 4 Rifle, 1 81M, 1 Jeep/106
Tank Company 3 M48 (M47 in USA)
Artillery Battery 2 105H, 2 Trucks
Note Note this concept was very short lived. A Cavalry Troop from the Pentomic Armored Cavalry Squadron could be added. The whole idea on Pentomic ORBATs was for small self-contained battle groups running around the nuclear cleared battlefield engaging in scattered disorganized battles in a post nuclear war.
American Pentomic Airborne Battle group 1958 (Note very short lived)
HQ Company 1 HQ
Scout Platoon 1 Jeep/MG
Anti Aircraft Platoon 1 Jeep, 1 12.7AAG
Anti Tank Platoon 2 90RR
Engineer Platoon 1 Engr, 1 FT
5 Infantry Companies each 4 Rifle, 1 60M, 1 90RR
Anti Tank Company 3 Jeep/106
Mortar Battery 2 107M, 2 Trucks
American Pentomic Field Artillery Battalion 1958
5 Batteries each 1 FAO, 2 M52
Or 1 FAO, 2 Trucks, 2 105H
Note Self-Propelled battalions are for Armored Divisions. They can have M52 to 1964.
American Pentomic Composite Artillery Battalion 1958
2 Batteries each 1 FAO, 2 M53, or 2 155H, 2 Truck
1 Battery each 1 FAO, 2 203H, 2 Truck
1 Battery each 1 FAO, 2 Honest John
Note Self-Propelled battalions are for Armored Divisions. They can have M53 to 1964.
American Pentomic Airborne Composite Artillery Battalion 1958
5 Batteries each 1 FAO, 2 Trucks, 2 105H
1 Battery each 1 FAO, 2 Honest John
Note Honest John is air lifted not air dropped.
American Pentomic Cavalry Squadron 1958
HQ 1 HQ
3 Cavalry Troops each 2 Jeep/MG, 1 Scout, 1 M59, 1 M41, 1 M59/107M
Note 3 Squadrons under another Headquarters makes a Regiment.
American Pentomic Tank Battalion 1958
HQ 1 HQ
1 Scout Platoon 2 Jeep/MG
1 Mortar Battery 1 M84
4 Companies each 3 M48
Note All tanks must be of the same type; M48, M47 or M103 and no more than 1 Battalion of M103 may be used. M47 and M103 were not used in Europe. The Pentomic Armored Division is the same as the combat command type armored division from the Second World War.
American Pentomic Mechanized Infantry Battalion 1958
HQ 1 HQ
4 Infantry Companies each 5 M59, 4 Rifle, 1 Jeep/106, 1 81M
1 Scout Platoon 2 Jeep/MG
1 Mortar Battery 1 M84
American Pentomic Engineer Battalion 1958
HQ 1 HQ
4 Engineer Companies each 4 M59, 3 Engr, 1 M47 Dozer
1 Bridge Company 2 Engr, 2 Bridge, 2 M59, 2 Trucks
American Pentomic Airborne Engineer Battalion 1958
HQ 1 HQ
4 Engineer Companies each 3 Engr
American Pentomic Aviation Company 1958
1 General Support Flight 2 H13 Sioux Recon, 1 H19 Chicksaw, 1 L20
1 Direct Support Flight 1 L19 FAC, 3 H13 Sioux Recon
American Pentomic Armored Cavalry Regiment 1958 (Commands 3 Armored Cavalry Squadrons and 1 Aviation Company)
HQ 1 HQ
1 Armored Engr Company 3 M59, 3 Engr, 1 M47 Dozer
American Pentomic Divisional Anti Aircraft Battalion 1958
3 Auto Weapons Btys each 3 M42
American ROAD Brigade Headquarters 1958 to 1982
HQ 1 HQ
1 Engineer Company 2 M113, 1 Engr, 1 Engr, 1 AVLB, 1 CEV
Note M577 replaced soft transport in the mid - 1960’s. Light infantry brigades delete the AVLB and CEV, replacing armored vehicles with jeeps and trucks.
American ROAD Mechanized Infantry Battalion 1958 to 1970
HQ 1 HQ
3 Infantry Companies each 3 M113, 3 Rifle, 1 M113/106, 1 M125
1 Scout Platoon 3 M113 ACAV
1 Mortar Battery 1 M106
American ROAD Mechanized Infantry Battalion 1971 to 1984
HQ 1 HQ
3 Infantry Companies each 3 M113, 3 Rifle, 1 M901, 1 M125
1 Scout Platoon 3 M113 ACAV, 1 M901
1 Mortar Battery 1 M106
Note M150 was first used in 1973 and M901 in 1979. May not M113/106 with M150, there are no other restrictions.
American ROAD Tank Battalion 1958 to 1965
HQ 1 HQ
1 Scout Platoon 2 Jeep/MG, 1 M41
1 Mortar Battery 1 M106
3 Companies each 3 M48
Note All tanks must be of the same type; M48, M47 or M103 and no more than 1 Battalion of M103 may be used. M48 was used in Vietnam
American ROAD Tank Battalion 1966 to 1980
HQ 1 HQ
1 Scout Platoon 2 M113 ACAV
1 Mortar Battery 1 M106
3 Companies each 3 M60
Note Only one type of tank may be used; only 1 Battalion of M60A2 may be used. Dates are as follows:
M48A3 to 1972; SE Asia.
M60A1 at any time
M60A2 from 1975
M48A5 from 1976
One Battalion can have M551 Sheridan.
American ROAD Tank Battalion 1978 to 1985
HQ 1 HQ
1 Scout Platoon 2 M113 ACAV, 1 M901
1 Mortar Battery 1 M106
3 Companies each 3 M60
Note Only one type of tank may be used. Dates are as follows:
M1 from 1983
M60A1 at any time
M60A3 from 1981
M48A5 from 1976
One battalion can have M551 Sheridan.
American ROAD Field Artillery Battalion 1958 to 1985
3 Batteries each 1 FAO, 2 M52 or 2 M108 or 2 M109
Or 1 FAO, 2 Trucks, 2 105H or 2 155H
Or 1 FAO, 2 M53 or M110
Note Self-Propelled battalions are for Armored/Mechanized Divisions. They can have:
M52 to 1964,
M108 from 1962 to 1968.
M109 form 1964 onwards.
M548 is used with M108 and M109.
Towed battalions are for Light Infantry and Airborne Divisions. Airborne units have 105mm, and Light units have 3 105mm + 1 155mm until 1985. They can have:
105H to 1986
155H to 1985
M110 Battalions are Divisional heavy or Corps level, could also have M107and use as General support units.
American ROAD Divisional Anti Aircraft Battalion 1958 to 1975
2 Auto Weapons Btys each 3 M163 or M42
2 Missile Batteries each 3 M48 Chaparral
Note To 1970 would have 3 Auto Weapons batteries with M42.
American ROAD Divisional Anti Aircraft Battalion 1975 to 1985
2 Auto Weapons Btys each 3 M163
2 Missile Batteries each 3 M48 Chaparral
American ROAD Cavalry Squadron 1958 to 1975
HQ 1 HQ
3 Cavalry Troops each 1 M125, 1 M113, 1 90RR, 1 M551
3 Sections each 2 M113 ACAV, 2 Rifle
1 Tank Troop 3 M551
1 Air Cavalry Flight 2 OH58, 2 AH1, 1 UH1, 1 Rifle
1 Battery 1 FAO, 2 M109
Note AH1 appeared in 1969/70, prior to that use UH1 gunship. If M551 are used this is the only tank that may be used otherwise omit tank troop. M551 was first issued in 1969 prior to that use M47 in USA, M48 in Germany and Vietnam, M551 were withdrawn in 1976. M114 is used in place in M1113 ACAV prior to 1966.
American ROAD Airborne Cavalry Squadron 1958 to 1985
HQ 1 HQ
3 Cavalry Troops each 2 Jeep, 1 Jeep/106, 1 81M, 1 90RR
3 Sections each 2 Jeep, 2 Rifle
1 Tank Troop 3 Jeep/106
1 Air Cavalry Flight 2 OH58, 2 AH1, 1 UH1, 1 Rifle
1 Battery 1 FAO, 2 105H, 2 Trucks
Note AH1 appeared in 1969/70, prior to that use UH1
American ROAD Cavalry Squadron 1976 to 1985
HQ 1 HQ
3 Cavalry Troops each 1 M106, 1 M113, 1 Dragon, 1 M60
3 Sections each 1 M113 ACAV, 1 Rifle, 1 M901
1 Tank Troop 3 M60
1 Air Cavalry Flight 2 OH58, 2 AH1, 1 UH1, 1 Rifle
1 Battery 1 FAO, 2 M109
Note Tank types may not be mixed, except that if Cavalry Troops have M551, the Tank Troop must have M60.
American ROAD Armored Cavalry Regiment 1958 to 1985 (commands 3 Armored Cavalry Squadrons)
HQ 1 HQ
Air Cav Troop 1 AH1, 2 UH1, 1 OH58, 2 Rifle
American Division 86 Cavalry Squadron 1986 to 1997
HQ 1 HQ, 1 M113, 1 Engr
3 Cavalry Troops each 1 M106, 1 M1, 2 M3, 2 Rifle, 1 Javelin
1 Tank Troop 3 M1
1 Air Cavalry Flight 1 OH58, 2 AH64, 1 UH1
1 Battery 1 FAO, 2 M109A6
American ROAD/Division 86 Light Infantry Battalion 1965 to 1997
HQ 1 HQ
3 Companies each 1 Dragon or 90RR, 3 Rifle
1 Platoon 2 Jeep/106 or 3 Jeep/Tow or HMMV/TOW (1988)
1 Battery 1 4.2M (120M in 1990), 1 Truck
Transport By either Helicopter or truck
Note 106 and 90RR can be used up to 1981, TOW & Dragon form 1975, they may be mixed, but TOW cannot be used with 106RR, and Dragon may not be used with 90RR. Para units are light but continued to use the jeep/TOW longer. In Vietnam, very often anti-tank equipment was stored and a fourth rifle company was formed from the surplus personnel.
American Armored Division 86 Cavalry Regiment 1985 to 1997 (commands 3 Armored Cavalry Squadrons)
HQ 1 HQ
Air Cav Troop 1 AH64, 2 UH60, 1 OH58, 2 Rifle
American Division 86 Armored Brigade Headquarters (May command 4 Battalions)
HQ 1 HQ
1 Engineer Company 3 M113, 3 Engr, 2 AVLB, 1 M728 CEV
1 Attack Helicopter Flight 1 OH58, 2 AH64
American Division 86 Armored Battalion 1986 to 1997
HQ 1 HQ
Scout Platoon 2 M3, 2 Rifle (or 2 HMMV/MG, 1 HMMV/GL)
Or 2 HMMV/MG, 1 Rifle. 1 HMMV /TOW
Mortar Platoon 2 M125
4 Companies each 3 M1
Note M60 and M48 units use M113. A HumVee Scout platoon was used in the Gulf War.
American Division 86 Mechanised Battalion 1986 to 1997
HQ 1 HQ
Scout Platoon 2 M3, 2 Rifle (or 1 HMMV/MG, 1 Rifle, 1 HMMV /GL)
Mortar Platoon 2 M125
4 Infantry Companies each 3 M3, 3 Rifle
1 Anti Tank Company 3 M901
Note Units have M2 /M3 or M113. The HumVee Scout platoon was used in the Gulf War
American Division 86 Cavalry Squadron 1986 to 1997
HQ 1 HQ, 2 M106, 1 M113, 1 Engr
3 Troops 2 M1, 2 M3, 2 Rifle
1 Company 3 M1
1 Attack Flight 1 OH58, 2 AH64
1 Battery 1 FAO, 2 M109A1
American Division 86 Field Artillery Battalion 1986 to 1997
3 Batteries each 1 FAO, 2 M109A1
American Division 86 Divisional Anti Aircraft Battalion 1986 to 1995
2 Auto Weapons Btys each 3 M163
2 Missile Batteries each 3 M48 Chaparral
American Division 86 Heavy Artillery Battalion 1986 to 1997
2 Batteries each 1 FAO, 2 M110
2 Batteries each 1 FAO, 2 MRLS
American Division 86 Helicopter Battalion 1986 to 1997
3 Attack Companies each 2 AH-64
1 Scout Company 3 OH58
Note OH58s may be attached to AH company. Individual companies may be used.
American Division 86 Tow Light Anti Tank (TLAT) Battalion 1981 to 1993
3 Anti Tank Companies each 4 Jeep/TOW
Note: After 1988 HMMV/TOW replaces the jeeps. TLAT units were formed in the 1981 to provide additional wartime anti tank support to light divisions which lacked the anti-tank punch of the heavy divisions. 4 units were stood up from National Guard infantry battalions: 1/249 (Oregon ARNG), 2/180 (Oklahoma ARNG), 1/122 (Georgia ARNG) and 2/128 (Wisconsin). 10th (Mountain) Infantry Division, 7th (Light) Infantry Division, 101st (Air Assault) Division and 82nd (Airborne) Division each were to receive one of these battalions as round out units during war mobilization. 1/122 almost went to Desert Shield and Gulf War 1. In fact 1/122 even trained with 82nd Airborne but stayed when the division commander decided against them. All units were disbanded or re-roled as infantry during the “Great Scale Down” in 1993. An excellent tactical idea that never got a chance to be implemented, I am a proponent of large numbers of light self propelled ATGMs running around the battlefield under a central control but this concept has now been largely replaced by helicopters.
American SBCT Brigade Headquarters 2003+ (Commands 3 Infantry Battalions, 1 Recon Surveillance Squadron, 1 Artillery Battalion, 1 Armored Battalion, and 1 Aviation Battalion)
HQ 1 HQ
Anti Tank Company 3 LAV/AT
Engineer Company 3 Engr, 3 LAV/Eng
Note Formerly known as IBCT (Interim Brigade Combat Team) they are now SBCT (Stryker Brigade Combat Team) after the name of the LAV mounting a 105mm anti tank gun. Once complete there will be 5 SBCTs designed to be deployed anywhere in the world in 96 hours complete and ready for war. It is fair to say that units will be the medium weight punch of the US Army.
American SBCT Infantry Battalion 2003+
HQ 1 HQ
3 Companies 3 LAV/MG, 1 LAV/GL, 3 Rifle, 1 Javelin, 1 60M
Support Company 1 LAV/M, 1 HQ, 1 LAV
Anti Tank Company 3 LAV/AT
American SBCT Reconnaissance, Surveillance and Target Acquisition Squadron 2003+
HQ 1 HQ
3 Troops 1 LAV/AT, 1 LAV/105, 2 LAV/R, 2 Scout, 1 Javelin, 1 LAV/M
Support Troop 4 LAV/R
American SBCT Artillery Battalion 2003+
3 Batteries 1 FAO, 2 155H, 2 Truck
Note Final ORBAT will include the new lightweight 155mm M777.
American SBCT Armored Battalion 2003+
HQ 1 HQ
4 Companies 3 LAV/105
Note Centauro was tested for position as well.
American SBCT Aviation Battalion 2003+
2 Attack Companies 2 RAH1
2 Utility Companies 2 UH60
American Army XXI Cavalry Squadron (Light) 2001+
HQ 1 HQ, 1 HMMV/AD, 1 HMMV/TOW, 1 HMMV, 1 Engr
3 Troops each 2 HMMV/TOW, 1 HMMV/GL, 1 HMMV/MG, 1 HMMV, 1 120M
Air Troop 3 OH58D
Anti Tank Company 3 HMMV/TOW
Artillery Battery 1 FAO, 2 155H, 2 Truck
Note This is a tentative ORBAT most of the equipment for this type of unit is still being designed and tested. The HumVees are standing in that equipment.
American Army XXI Air Cavalry Squadron 2001+
4 Air Cavalry Troops each 2 OH58D
Air Transport Troop 3 UH60
American Army XXI Cavalry Regiment (Light) 2001+ (Commands 1 Air Cavalry Squadron and 3 Cavalry Squadron (Light))
HQ 1 HQ
Chemical Company 1 HMMV, 2 M93 Fox
Air Defense Battery 3 HMMV/AD
Note This is a tentative ORBAT most of the equipment for this type of unit is still being designed and tested. The HumVees are standing in that equipment. 2nd Dragoons (2 ACR) of 18th Airborne Corps is the only light regiment. It is currently held that 2nd Dragoons will become medium as its final ORBAT and remain with 18th Airborne Corps.
HQ 1 HQ, 1 LAV/AD, 1 LAV/TOW, 1 LAV/APC, 1 Engr
3 Troops 2 LAV/TOW, 1 LAV/GL, 1 LAV/MG, 2 LAV/120
Air Troop 3 OH58D
Anti Tank Company 3 LAV/TOW
Note This is a notional ORBAT most of the equipment for this type of unit is still being designed and tested. The LAV usage is suspected. US Army is not currently committed to medium force structure only a light and heavy force structure, so this is provided as a summation of US Army thought on this type of force. This is a good compromise between the political consideration of light deployable forces and army desire for a heavy punch in theatre. Note the elimination of the 155mm artillery and the increase in 120mm mortars; this is the first time in US Army history where so much combat power reliance has been placed on a mortar.
American Army XXI Armored Cavalry Regiment (Medium) 2001+ (Commands 1 Air Cavalry Squadron and 3 Armored Cavalry Squadron (Medium))
HQ 1 HQ
Chemical Company 1 LAV/APC, 2 M93 Fox
Air Defense Battery 3 LAV/AD
Note This is a notional ORBAT most of the equipment for this type of unit is still being designed and tested. The LAV usage is suspected. US Army is not currently committed to medium force structure only a light and heavy force structure, so this is provided as a summation of US Army thought on this type of force. This is a good compromise between the political consideration of light deployable forces and army desire for a heavy punch in theatre.
American ArmyXXI Armored Cavalry (Heavy) Squadron 2001+
HQ 1 HQ, 1 M113, 1 Engr
3 Troops 2 M1, 2 M3, 2 Rifle, 1 M106
Tank Company 3 M1A2
Air Troop 3 OH58D
Artillery Battery 1 FAO, 2 M109A6
American Army XXI Armored Cavalry Regiment (Heavy) 2001+ (Commands 1 Air Cavalry Squadron and 3 Armored Cavalry Squadron (Heavy))
HQ 1 HQ
Chemical Company 1 M3, 2 M93 Fox
Air Defense Battery 3 HMMV/AD
American Army XXI Heavy Division Armoured Cavalry Squadron 2001+
HQ 1 HQ, 1 AVLB, 1 M113, 1 Engr
3 Troops 2 M1, 2 M3, 2 Rifle, 1 M106
Air Troop 3 OH58D
American Army XXI Brigade Reconnaissance Troop (Heavy) 2001+
HQ 1 HQ
3 Platoons 1 M1, 1 M3, 1 Scout
Note Troops from the 1st, 4th, 9th, and 10th cavalry regiments fulfill this role thus these regiments continue exist in the ORBAT in a reduced US Army.
American Army XXI Brigade Reconnaissance Troop (Light) 2001+
HQ 1 HQ, 1 HMMV/120
3 Platoons 1 HMMV/TOW, 1 HMMV/GL, 1 HMMV/MG, 1 Scout
American ArmyXXI Heavy Division Tank Battalion 2001+
HQ 1 HQ, 1 M106/120
4 Companies each 3 M1A2
Note Scouts may deploy in HMMV/GL as an alternate.
American ArmyXXI Heavy Division Mechanized Infantry Battalion 2001+
HQ 1 M2, 1 HQ
HQ Company 1 M106/120, 1 Scout, 1 M3, 1 Stinger, 1 HMMV
4 Companies each 3 Rifle, 3 M2
Anti Tank Company 4 M901
Note Scouts may deploy in HMMV/GL as an alternate.
American ArmyXXI Light Division Light Infantry Battalion 2001+
HQ Company 1 HMMV/MG, 1 81M, 1 Scout, 1 HMMV/GL, 1 Stinger, 2 HMMV, 2 HMMV/TOW
3 Companies each 3 Rifle, 1 60M
American ArmyXXI Light Division Air Assault Infantry Battalion 2001+
HQ Company 1 HMMV/MG, 1 81M, 1 Scout, 1 HMMV/GL, 1 Stinger, 2 HMMV
3 Companies each 3 Rifle, 1 Javelin, 1 60M, 1 MG
Anti Tank Company 5 HMMV/TOW
Note Standard transport is Medium Logistics Vehicle from brigade and division. In air assault mode this unit will have little or no HMMVs, thus TOW will be dismounted (Javelin may be used as substitute).
American ArmyXXI Light Division Airborne Infantry Battalion 2001+
HQ Company 1 HMMV/MG, 1 81M, 1 Scout, 1 HMMV/GL, 1 Stinger, 2 HMMV, 2 HMMV/TOW
3 Companies each 3 Rifle, 1 Javelin, 1 60M
Anti Tank Company 5 HMMV/TOW
Note Standard transport is Medium Logistics Vehicle from brigade and division. In airborne mode this unit will have no HMMV, thus TOW will be dismounted (Javelin may be used as substitute).
American ArmyXXI Heavy Division Combat Engineer Battalion 2001+
HQ 1 HQ
3 Companies each 3 Engr, 3 M113
AO Platoon 1 AVLB, 1 Bridge, 1 Dozer, 1 MLG
American ArmyXXI Light Division Combat Engineer Battalion 2001+
HQ 1 HQ
3 Companies each 3 Engr, 3 HMMV
AO Platoon 1 Truck, 1 Bridge, 1 Dozer, 1 MLG
American ArmyXXI Light Division Air Defense Artillery Battalion 2001+
4 Batteries each 3 HMMV/AD
American ArmyXXI Heavy Division Air Defense Artillery Battalion 2001+
4 Batteries each 2 M3/AD, 1 HMMV/AD
American ArmyXXI Corps Air Defense Artillery Battalion 2001+
3 Batteries each 1 Patriot, 2 Truck, 1 AD Rad
American ArmyXXI Light Division Artillery Battalion 2001+
3 Batteries each 1 FAO,2 155H, 2 Truck
Note A new light 155mm howitzer is about to be fielded; it is air mobile unlike the current weapon represented here.
American ArmyXXI Heavy Division Artillery Battalion 2001+
3 Batteries each 1 FAO, 2 M109A6
American ArmyXXI Heavy Division MRLS Artillery Battalion 2001+
3 Batteries each 1 FAO, 2 MRLS
Note There are number of towed 155mm battalions available to a Corps as well.
American ArmyXXI Support Aviation Battalion 2001+
3 Lift Companies each 3 UH60 or CH47
American ArmyXXI Attack Helicopter Battalion 2001+
3 Attack Companies each 2 AH-64
American ArmyXXI Attack Helicopter Regiment (Light) 2001+ (Commands 2 attack helicopter battalions)
HQ 1 HQ
American ArmyXXI Attack Helicopter Regiment (Heavy) 2001+ (Commands 3 attack helicopter battalions)
HQ 1 HQ
American Army XXI Heavy Division Aviation Brigade 2001+ (Commands 2 Attack Helicopter battalions, 1 Armoured Cavalry Squadron, 1 Support Aviation Battalion)
HQ 1 HQ
Note Heavy division aviation brigades command 2 attack helicopter battalions, 1 support aviation battalion and 1 armored cavalry squadron.
American Army XXI Air Assault Division Air Assault Aviation Brigade 2001+ (Commands 4 Support Aviation Battalions; 3 UH60 and 1 CH47)
HQ 1 HQ
American Army XXI Light/Air Assault Division Aviation Brigade 2001+ (Commands 3 Attack Helicopter battalions, 1 Cavalry Squadron (Light), 1 Support Aviation Battalion)
HQ 1 HQ
Note Light division aviation brigades command 3 attack helicopter battalions, 1 support aviation battalion and 1 armored cavalry squadron.
American ArmyXXI Light Division Artillery Brigade Headquarters 2001+ (Commands 3 towed 155mm artillery battalions)
HQ 1 HQ
American ArmyXXI Heavy Division Artillery Brigade Headquarters 2001+ (Commands 3 M109A6artillery battalions and 1 MRLS battalion)
HQ 1 HQ
American ArmyXXI Brigade Headquarters (Light)2001+
HQ 1 HQ
American Army XXI Brigade Headquarters (Heavy) 2001+
HQ 1 HQ
Note Armored brigades command 1 brigade reconnaissance troop, 2 tank, 1 mechanized infantry and 1 combat engineer battalions. Mechanized brigades command 1 brigade reconnaissance troop, 1 tank, 2 mechanized infantry, and 1 combat engineer battalions. Artillery brigades commands 3 field artillery battalions and 1 target acquisition battalion. All brigades have a forward support battalion (FSB) not represented in game terms. FSB provide dedicated medical, logistics and maintenance support to the brigade they are part of.
American ArmyXXI Divisional Headquarters (Light) 2001+
HQ 1 HQ
American ArmyXXI Divisional Headquarters (Heavy)
HQ 1 HQ
American Marine Infantry Battalion 1986 to 1997
HQ 1 HQ
3 Companies each 3 Rifle, 1 60M
Weapons Company 1 81M, 1 GL, 6 Dragon
Transport By either Helicopter or AAV7 or LAV
American Marine Combined Arms Regiment Headquarters 1986 to 1997 (commands 3 infantry battalions and 1 tank battalion)
HQ 1 HQ
Recce Company 3 LAV-R, 1 LAV-AT
Anti Tank Platoon 6 HMMV/TOW
American Marine Regiment Headquarters 1986 to 1997 (commands 3 USMC infantry battalions)
HQ 1 HQ
Recce Company 3 LAV-R, 1 LAV-AT
Anti Tank Platoon 6 HMMV/TOW
American Marine Infantry Battalion 1997 to 2001
HQ 1 HQ
3 Companies each 3 Rifle, 1 60M
Weapons Company 2 81M, 1 GL, 6 Dragon
Transport By either Helicopter or AAV7 or LAV
American Marine Artillery Battalion 1986 to 2001
3 Batteries each 1 FAO, 2 155H, 2 Truck
American Marine Recon Battalion 1986 to 2001
HQ 1 HQ
3 Companies each 3 Scout, 1 60M, 4 HMMV
American Marine Tank Battalion 1986 to 1997
HQ 1 HQ
4 Tank Companies each 3 M60A3
Anti Tank Company 6 HMMV/TOW
American Marine Tank Battalion 1998 to 2001
HQ 1 HQ
4 Tank Companies each 3 M1
Anti Tank Company 6 HMMV/TOW
American Marine Armored Assault Battalion 1986 to 2001
HQ 1 HQ
4 Companies each 10 AAV7
American Marine Artillery Battalion 1986 to 2001
3 Batteries each 1 FAO, 2 155H, 2 Truck
American Marine Recon Battalion 1986 to 2001
HQ 1 HQ
3 Companies each 3 Scout, 1 60M, 4 HMMV
American Marine Tank Battalion 1986 to 2001
HQ 1 HQ
4 Tank Companies each 3 M1
Anti Tank Company 6 HMMV/TOW
American Marine Light Armored Vehicle Battalion 1986 to 2001
HQ 1 HQ, 4 LAV/TOW
4 Companies each 3 LAV/25
American Marine Combat Engineer Battalion 1986 to 2001
HQ 1 HQ
3 Companies each 3 Engr, 3 FT, 4 HMMV
Support Company 1 HMMV, 2 Dump Truck, 2 Bulldozer, 3 Bridge, 3 Truck
American Marine Anti Aircraft Regiment 1970 to 1986
1 Company 5 Redeye, 5 Jeep
1 Company 2 Hawk, 2 Truck
American Marine Anti Aircraft Battalion 1986 to 2001
3 Companies each 1 LAV/25, 2LAV/AD
American Marine Regiment Headquarters 1998 to 2001 (commands 3 USMC infantry battalions)
HQ 1 HQ
Anti Tank Company 6 HMMV/TOW
Special Forces Group
HQ 1 HQ
Mortar Platoon 1 81M
4 Companies each 8 SF Dets (all FAO/FAC capable)
American Ranger Regiment Headquarters
HQ 1 HQ
Recon Company 3 Scout, 2 HMMV/MG, 1 HMMV/TOW, 1 HMMV/GL
American Ranger Battalion
HQ 1 HQ
3 Companies each 3 Rgr, 1 Javelin or 90RR, 1 60M, 5 HMMV
Engineer Company (OpCon) 3 Engr, 3 HMMV
Note Engineers are operationally controlled by the ranger unit but not part of the unit. In Vietnam Ranger units, operated as long range dismounted reconnaissance delete all support weapons and do not use in greater than company strength.
Large Units:
Pentomic Infantry Division – 5 Pentomic Infantry Battle groups, 1 Pentomic Artillery Brigade (3 Field Artillery Battalions, 1 Composite Artillery Battalion), 1 Pentomic Anti-Aircraft Battalion (attached), 1 Pentomic Engineer Battalion, 1 Pentomic Armored Cavalry Squadron, 1 Pentomic Aviation Company
Pentomic Armored Division – 3 Combat Command Headquarters, 4 Pentomic Armored Battalions, 4 Pentomic Mechanized Infantry Battalions, 1 Pentomic Mechanized Artillery Brigade (3 Field Artillery Battalions, 1 Composite Artillery Battalion), 1 Pentomic Anti-Aircraft Battalion (attached), 1 Pentomic Engineer Battalion, 1 Pentomic Armored Cavalry Squadron, 1 Pentomic Aviation Company
Pentomic Airborne Division – 5 Pentomic Airborne Infantry Battle groups, 1 Pentomic Airborne Composite Artillery Battalion, 1 Pentomic Anti-Aircraft Battalion (attached only in ground role), 1 Pentomic Engineer Battalion, 1 Pentomic Armored Cavalry Squadron (only in ground role)
ROAD/Division 86 Armored Division – 3 Brigade Headquarters, 6 Armored Battalions, 5 Mechanized Infantry Battalions, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Cavalry Squadron, 1 Helicopter Battalion, 1 Attack Helicopter Battalion
ROAD/Division 86 Mechanized Infantry Division – 3 Brigade Headquarters, 5 Armored Battalions, 6 Mechanized Infantry Battalions, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Cavalry Squadron, 1 Helicopter Battalion, 1 Attack Helicopter Battalion
ROAD/Division 86 Light Infantry Division – 3 Brigade Headquarters, 2 Armored Battalions, 9 Infantry Battalions, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Cavalry Squadron, 1 Helicopter Battalion, 1 Attack Helicopter Battalion
ROAD/Division 86 Airborne Division – 3 Brigade Headquarters, 1 Armored Battalion, 9 Infantry Battalions, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Cavalry Squadron, 1 Helicopter Battalion, 1 Attack Helicopter Battalion
ROAD/Division 86 Air Mobile Division – 3 Brigade Headquarters, 9 Infantry Battalions, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Cavalry Squadron, 1 Helicopter Battalion, 1 Attack Helicopter Battalion
ROAD/Division 86 Mountain Division – 3 Brigade Headquarters, 2 Armored Battalions, 9 Infantry Battalions, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Cavalry Squadron, 1 Helicopter Battalion, 1 Attack Helicopter Battalion
Marine Division – 3 Marine Regiments, 1 Armored Battalion, 1 Light Armored Vehicle Battalion, 1 Amphibious Assault Vehicle Battalion, 1 Artillery Regiment, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Cavalry Squadron, 1 Helicopter Battalion, 1 Attack Helicopter Battalion
Airborne Division XXI – 3 Airborne Brigades, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Cavalry Squadron, 1 Aviation Brigade
Air Assault Division XXI – 3 Air Assault Brigades, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Cavalry Squadron, 1 Air Assault Aviation Brigade (3 UH60 Battalions, 1 CH47 Battalion), 1 Aviation Brigade (3 AH64 Battalions, 1 UH60 Battalion)
Armored Division XXI – 3 Armored Brigades, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Aviation Brigade
Mechanized Division XXI – 3 Mechanized Infantry Brigades, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Armored Cavalry Squadron, 1 Aviation Brigade
Light Division XXI – 3 Light Infantry Brigades, 1 Artillery Brigade, 1 Anti-Aircraft Battalion, 1 Engineer Battalion, 1 Armored Cavalry Squadron, 1 Aviation Brigade
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