1st ALC I Corps

1st Armored Bde

1st Ranger Gp (+)

10th Engr Gp

1st Inf Div

• 1st Inf Div Arty
  • 48th Arty Bn (-)
    • B/l1 (105)
    • B/48 (155)
    • C/10 (155)
  • 14th Arty Bn (-)
    • A/48 (155)
  • 62d Arty Bn
    • A/62 (105)
    • B/14 (105)
    • C/48 (155)
  • 11th Arty Bn (-)
    • C/11 (105)
    • A/10 (155)
• 1st Engr Bn
• 1st Med Bn
• 1st Sig Bn
• 1st Log Bn

• 1st Regt
  • 1st Bn, Ist Inf Regt
  • 2d Bn, 1st Inf Regt
  • 3d Bn, 1st Inf Regt
  • 4th Bn, 1st Inf Regt
  
  
• 2d Regt
  • 1st Bn, 2d Inf Regt (OPCON 54th Regt D+53 to D+68)
  • 2d Bn, 2d Inf Regt
  • 3d Bn, 2d Inf Regt
  • 4th Bn, 2d Inf Regt
  • 5th Bn, 2d Inf Regt
  
  
• 3d Regt
  • 1st Bn, 3d Inf Regt
  • 2d Bn, 3d Inf Regt
  • 3d Bn, 3d Inf Regt
  • 4th Bn, 3d Inf Regt
  
  
• 54th Inf Regt
  • 1st Bn, 54th Regt
  • 2d Bn, 54th Regt
  • 4th Bn, 54th Regt

Abn Div (+) (OPCON)

• Abn Div Arty (-)
  • 44th Arty Bn (155)
  
  
• 1st Abn Med Bn
• 1st Abn Service Bn
• 1st Abn Signal Bn
  
• 1st Abn Bde
  • 1st Abn Bn
  • 8th Abn Bn
  • 9th Abn Bn
  • 1st Arty Bn
  
  
• 2d Abn Bde
  • 5th Abn Bn
  • 7th Abn Bn
  • 11th Abn Bn
  • 2d Arty Bn
  
  
• Abn Bde
  • 2d Abn Bn
  • 3d Abn Bn
  • 6th Abn Bn
  • 3d Arty Bn

Marine Division (OPCON)

• Hq Bn
• Service Bn
• Medical Bn
• A Btry, 48th Arty Bn (-) (155)
  
• 147th Bde (D+1)
  • 2d Inf Bn
  • 4th Inf Bn
  • 7th Inf Bn
  • 2d Arty Bn
  • C Btry, 20th Arty Bn (155)
  
  
• 258th Bde
  • 1st Inf Bn
  • 3d Inf Bn
  • 8th Inf Bn
  • 3d Arty Bn
  • D Btry, 48th Arty Bn (-) (155)
  
  
• 369th Bde (D+32)
  • 5th Inf Bn
  • 6th Inf Bn
  • 9th Inf Bri
  • 1st Arty Bn

Hq, XXIV Corps

• 108th Arty Gp
  • 8th En1 4th Arty
  • 2d En, 94th Arty
  • 1st En, 39th Arty (-) (D+30)
  • 1st En, 44th Arty AWSP (-)
• 45th Engr Gp (OPCON D-13 to D+23)
  • 14th Engr En (CBT)
    • 630th Engr Co (LW)
    • 511th Engr Co (PB)
    • 59th Engr Co (-) (LC)
  • 27th Engr En (CBT) (-)
    • 59lst Engr Co (LE)
  
  
• 504th MP Bn (-)
  • 300th MP Co (OPCON)
  
  
• 212th CAB
  • 13lst Surv Aerial Co
  • 220th Recon Airplane Co

101st Abn Div (Ambl) (-)

• 101st Abn Div Arty (-)
  • 2d Bn (Ambi) 11th Arty
  • 2d Bn (Ambi) 319th Arty
  • 4th Bn, 77th AFA (Ambi)
    Co B, 326th Engr Bn (Ambl)
  
  
• 1st Bde, 101st Abn Div (Ambl) (Res)
  
• 3d Bde, 101st Abn Div (Ambl) (D+30 to D+67)
  • 1st Bn, 501st Abn Inf (D+25 to D+67)
  • 2d Bn, 502 Abn Inf (OPCON 3d Bde, 101st Abn Div) (D+26 to D+67)
  • 1st Bn, 506th Abn Inf (D+47 to D+67)
  • 2d Bn, 327th Abn Inf (D+29 to D+48)
  
  
• TF 326th (-) (OPCON) (D-1 to D+67)
  • Co A, 326th Engr Bn (Ambl) (+)
  • 59th EOD Det (-)

• 101st Avn Bn (AH) (Ambl)(D-1 to D+67)
• 158th Avn Bn (AH) (Ambl)(D-1 to D+67)
• 159th Avn bn (AH) (Ambl)(D-1 to D+67)
• 5th Trans Bn (D-l to D+67)
• 14th Avn Bn (OPCON) D+2 to D+63)
  • 71st AHC (D+25 to D+59)
  • 116th AHC (D+34 to D+36 & D+50 to D+53)
  • 174th AHC (D+25 to D+67)
  • 132d ASHC (D+25 to D+63)

• 48th AHC (D+2 to D+67)
• 173d AHC (D+2 to D+67)
• 282d AHC (D+34 to D+36 & D+50 to D+51)
• 235th AWC (D+38 to D+56)
• 238th AWC (D+2 to D+56)
• D/227th AWC (D+28 to D+66)
• 179th ASHC (D+23 to D+66)
• 756th Med

67th Med Gp

34th Can Spt Gp (-)

58th Trans Bn

MHHS 463d, 1st MAW (OPCON D+1)

1st Bde, 5th Inf Div (Mech) (+) (OPCON 101st Abn Div (Ambl) D+32 to D+67)

• 1st En, 11th Inf (Mech)
• 3d Bn, 187th Abn Inf, 101st Abn Div (OPCON D-1 to D+67)
• 1st Bn, 61st Inf (Mech) (OPCON 101st Abn Div (Ambl) D+26 to D+31 and D+57 to D+67) (11th Bde, 23d Div D+32 to D+56)
• 3d Sqdn, 5th Cav
• 1st Bn, 77th Armor
• 5th Bn, 4th Arty (DS)
• 1st Bn, 82d Arty (-) 23d Div (Atch) (DS) (D-1)
• Co A, 4th Bn, 12th Armor
• Co A, 7th Engr
• Co P, 75th Ranger
• 298th Sign Co
• Co B, 23d Med Bn, 23d Div (OPCON D+31 to D+48)
• 75th Support Bn
• Trp F, 8th Cav (OPCON D+2 to D+67)

• 1st Sqdn, 1st Cav (OPCON 1st Bde, 5th Inf Div (Mech) D-1 to D+56) (OPCON 101st Abn Div (Ambl D+67)
• 2d Bn, 1st Inf (D+21)
• 4th Bn, 3d Inf, 23d Inf Div (OPCON 1st Bde, 5th Inf Div (Mech) D-1 to D+56)
• H Troop, 17th Cav
• Co C, 26th Engr Bn
• 6th Bn, 11th Arty (-)
  • Btry C, 1st Bn, 82d Arty
  • Btry C, 6th Bn, 11th Arty
  • Btry A, 3d Bn, 82d Arty
• 11th Spt En (Prov)

• 26th GSG
  • 8th Trans Gp
    • 39th Trans Bn
    • 57th Trans Bn
    • Co C, 11th Motor Trans En (+)
  • 2d Maint Bn
  • 63d Maint Bn
  • FSA Maint Bn
  • FSA 26-1
  • FSA 26-2

Glossary

AAA	Antiaircraft Artillery
AA/AW	Antiaircraft Automatic Weapon
ABN	Airborne
AFCCC	Air Force Command and Control Center
AHB	Assault Helicopter Battalion
ALC	Area Logistics Command
ARVN	Army of the Republic of Vietnam
ASHB	Assault Support Helicopter Battalion
ASRT	Air Support Radar Team
BSA	Base Support Area
BDA	Bomb Damage Assessment
CAB	Combat Assault Battalion
CIDG	Civil Irregular Defense Group
CINCSAC	Commander in Chief, Strategic Air Command
COMUSMACV	Commander, U.S. Military Assistance Command, Vietnam
DASC	Direct Air Support Center
DMZ	Demilitarized Zone
FAC	Forward Air Controller
FDC	Fire Direction Center
FSA	Forward Support Area
FSB	Fire Support Base
FSCC	Fire Support Coordination Center
GSG	General Support Group
HES	Hamlet Evaluation System
JGS	Joint General Staff (VN)
JCG	Joint Coordinating Group
JCS	Joint Chiefs of Staff (U.S.)
KIA	Killed-in-Action
LAW	Light Anti-Tank Weapon
LOC	Line of Communication
LZ	Landing Zone
MACV	Military Assistance Command, Vietnam
MIA	Missing-In-Action
MR	Military Region
NVA	North Vietnamese Army
PHILCAG	Philippine Civic Action Group
POW	Prisoner of War
PSP	Pierced Steel Planking
PZ	Pick Up Zone
RVN	Republic of Vietnam
RVNAF	Republic of Vietnam Armed Forces
TACP	Tactical Air Control Party
USAF	United States Air Force
USN	United States Navy
USNS	United States Navy Ship
WIA	Wounded-In-Action