US ARMY ORGANIZATIONS IN VIETNAM

AHC = Assault Helicopter Co
Arty = Artillery
Bd  = Brigade
Bn  = Battalion
Brty = Battery
Co  = Company
Dv  = Division
Gp  = Group
LIB = Light Infantry Brigade
Ord = Ordinance



NAME                      DATE      CONUS               RVN
HEADQUARTERS
                        ACTIVATED   BASE
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1/568th Clr Co                                          Dalat
1st Air Cav (Rear)                                      Bien Hoa
1st Air Cav Dv           9-65      Ft Benning, GA       An Khe
  7th Inf
  2d Bn, [Company's: B, ]
  13th Sig Bn                                           Bon Son
  50th Mech Inf
    1 Co (LZ Uplift)
1st Infantry Dv          10-65     Ft Campbell, KY      Lai Khe
  1st Aviation Bd
    335th AHC ("Cowboys", Dong Tam)
    HHD Co                                              Phu Loi
  Combat Tracker Team #5
  28th Inf
    2d Bd                7-65      Ft Campbell, KY      Lai Khe
    3d Bd                7-65      Ft Riley, KS         IIICTZ
1st Signal Bd            4-66      Ft Gordon, GA
  36th Signal Bn (Long Binh) [Company's: 269th Signal Co (Co A44, Bien
Hoa), ]
1st Special Forces Group                                Nha Trang
2/568th Clr Co                                          Phan Rang
2d Surg Hospital  (An Khe, Chu Lai)
3/616th Clr Co
3d Bd, 82d Airborne Dv   2-68       Ft Bragg, NC        IICTZ
3d Fld Hosp                                             Saigon
3d Surg                                                 Dongtam
4 Trans Command (Terminal C)                            Saigon
4th Inf Dv                Aug 66     Ft Lewis, WA       Pleiku
  4th Aviation Bn
  22 Inf
    1st Bn [Company's: B, ]
5th Special Forces Grp    10-64      Ft Bragg, NC       Nha Trang
5th Inf Dv
  1st Bd                  7-68       Ft Carson, Co      ICTZ
6th Conv Ctr                                            Cam Ranh
6th Psyops Det                                          Bien Hoa
7th Cav Div
  1st Bn (Delta Co;)
7th Surg                                                Phan Thiet
8th Fld Hosp                                            Nha Trang
8th Radio Research Field Station                        Phu Bai
9th Inf Dv                12-66      Ft Lewis, WA       Bear Cat
  39th Inf
    3d Bn   [Company's: A ("Ft Courage"), ]
    4th Bn  [Company's: HQ, ]
  47th Inf
    4th Bn  [Company's: C, ]
  60th Inf
    2d Bn   [Company's: HQ, ]
    5th Bn
9th Med Lab                                             Saigon
11th Armored Cav          9-66     Ft Meade, Med        IIICTZ
11th LIB                  12-67     Hawaii              ICTZ
  20th Bn [Company's: 1 (Duc Pho, Chu Lai),
12th Evac                                               Cu Chi
12th Inf Div
  2d Bn   [Company's: B (An Khe), ]
13th Arty
  2d Bn   [Company's: C Brty (Phu Loi), ]
15th Arty
  7th Bn  [Battery's: C Brty (LZ English, An Khe, Pleiku, Qui Nhon,
Bambetuet)
17th Air Cav
  3d Sqdn [Troops: D (Tay Ninh, Cu Chi, Di An), ]
17th Fld Hosp                                            An Khe
18th Engineer Bd         9-65       Ft Bragg, NC
  14th Bn
    C Co (LZ Nancy)
18th Military Police Bd  9-66       Ft Meade, Med
18th Surg
20th Engineer Bd (Rear)                                 Bien Hoa
20th Engineer Bd         Aug 68     Ft Bragg, NV
20th Prev Med Unit                                      Bien Hoa
22d Surg                                                Phu Bai
23d Arty Gp (Phu Loi)
23d Inf Dv (Americal) formed 9-67; Comprised of 11th, 196th, and 198th
LIB's
  14th Arty
    1st Bn   [Battery's: C, ]
  20th Inf
    1st Bn   [Company's: D, ]
  28th Arty
    3d Bn    [Brty's: C (LZ Siberia), ]
  196th LIB               Aug 66    Ft Devins, MASS       IIICTZ
    1st Inf
      2d Bn  [Company's: B (Phu Bai), ]
    8th Support Bn [Company's: B (Tay Ninh), ]
    17th Cav [Troops: F,  ]
    156th Signal Platoon
  198th Light Inf Bd        Oct 67    Ft Hood, TX         ICTZ
    1/6th Bn [Company's: A Co, ]
    46th Bn  [Company's: Co 1 (Hill 69), ]
24th Evac                                               Long Binh
25th Inf Dv               4-66      Hawaii              Cu Chi
  3d Bd                   12-65     Hawaii              IICTZ
  8th Arty
    1st Bn   [Battery's: C, ]
  9th Inf
    4th Bn [Co A]
  14th Inf
    1st Bn [Co B]
  HHQ, 3/13 Arty                                        Cu Chi
  22d Inf
    2d Bn [Company's: A, ]
    3d Bn [Company's: D (Tay Ninh), ]
  25th Aviation
    A Co  (Cu Chi)
  27th Inf "Wolfhounds"
    2d Bn [Company's: C Co, ]
  34th Armor
    2d Bn [Company's: Co 2 (Tay Ninh), ]
26th Arty Target Acquisition (Dong Ha)
27th Surg                                               Chu Lai
29th Evac                                               Can Tho
32d Med Depot                                           Cam Ranh
35th Eng
  Co C                                                  Hai Van Pass
35th SPS Heavy Weapons                                  Phan Rang
36th Evac                                               Vung Tau
36th KJ (DS)                                            Saigon
38th KJ (DS)                                            Long Binh
40th KJ (DS)                                            Cu Chi
43d Dump Truck Co                                       Long Binh
43d Med Gp                                              Nha Trang
44th Med Bd                                             Long Binh
44th Medical Bd          4-66       Ft Houston, TX
45th Surg                                               Tay Ninh
50th Clr Co                                             Long Binh
54th Gen Support Gp (Nha Trang)
55th Med Gp                                             Qui Nhon
56th KJ (DS)                                            Phu Bai
61st Med Bn                                             Cam Ranh
67th Evac Hosp                                          Qui Nhon
67th Med Gp (Bien Hoa, Danang)
68th MB Gp                                              Long Binh
70th MD Bn                                              Qui Nhon
71st Evac Hosp                                          Pleiku
74th MD Bn                                              Chu Lai
83d Arty
  1st Bn  [Battery's: B, ]
84th Arty
  6th Bn  [Battery's: C, ]
85th Evac                                               Qui Nhon
91st Evac                                               Tuy Hoa
93d Evac                                                Long Binh
101st Airborne Dv          12-67    Ft Campbell, KY     IICTZ
  1st Bd                   7-65          "               "
    1/327th  [Company's: C, ]
    501st Inf
      2d Bn
    502d Inf
      2d Bn                                             Tuy Hoa
    506th Inf
      1st Bn [Company's: A, ]
114th Combat Aviation Bn
  Companies: 71st, 132d, 174th, 176th, 178th, 411th (TC),
116 AHC "Hornets"
117 Trans Company
125 Trans Command (Terminal A)                            Saigon
129 AHC
137 KJ (DS)                                               Bear Cat
161 Med Det (Red Beach)
169 Eng Bn  [Company's: C, ]
172 Prev MD Unit                                          An Khe
173 Airborne Dv             5-65    Okinawa               IIICTZ
  50 Infantry (Mech)
173d Assault Helicopter Co                              Lai Khe
184th Ord Bn
199th Light Inf Bd         11-66    Ft Benning, GA      IIICTZ
219th KJ (DS)                                           Chu Lai
257th KJ (DS)                                           Di An
282 Aviation Co  ("Black Cats")
297th Trans Co (Nha Trang)
334th Helos
  571st Trans Det                                       Bien Hoa
437th KJ (DS)                                           Cam Ranh
498th Medevac Co
516th PSC
518th KJ (DS)                                           Qui Nhon
520th Clr Co                                            Chu Lai
522d MD (AF)                                            Long Binh
542d Clr Co                                             Qui Nhon
553d HEM Co                                             Long Binh
563d Clr Co                                             Chu Lai
568th Clr Co                                            Cam Ranh
523d Co
523d Signal Bn [Company's: B (Chu Lai, Hawk Hill,) ]
616th Clr Co                                            Phu Bai
716th Military Police
932d MD (AI)                                            Long Binh
934th KJ (DS)                                           Nha Trang
Co B, 577 Combat Engineers                              Duc Tong
Defense Communications Agency, So'east Asia
HHB, II Field Force Arty
MAAG                                                    Saigon
MACV                                                    Ton Son Nhut
  2d Traffic Bn
  Team 1                                                Hoi An
  Team 17/Civil Affairs                                 Mo Duc, Quang
Ngai
  Team 31                                               Chio Reo (68); Phu
Bai
  Team 162 (V'namese Airborne Div "Red Hats")
USARV                                                   Long Binh