1st Avn. Co. 09/62 - 12/63 Left RVN
8th Trans Co. 11/12/61 - 06/25/63 became the 117th AHC
18th Av. Co 02/07/62 - 10/64 xfr 14th CAB
25th Avn Co 07/71 - 03/26/72 left RVN
33rd Trans Co 09/17/62 - 06/25/63 became 118th AHC
57th Trans Co 12/11/61 - 06/25/63 became 120th AHC
57th Med. Det. 02/01/63- 04/01/63 attached to 52nd CAB
Utility Tactical Transportation (UTT) 10/03/62 - 08/15/64 became 68th Armed Helicopter Company

68th Armed Helicopter Company 08/16/64-03/01/65 became 197th AHC

68th AHC Top Tigers, Mustangs11/28/65 - 04/71 left RVN

71st Avn Co. 09/02/66 - 04/67 xfr 14th CAB
  73rd Avn Co. 05/31/63 - 12/64
74th Avn Co. 03/26/65 - 02/68 xfr 210th CAB
81st Trans Co. 09/17/62 - 06/25/63 became 119th AHC
114th AHC 05/07/63 - 07/15/63 to DELTA Avn. Btn.

117th AHC 06/25/63 - 08/65 xfr 52nd CAB
117th AHC 01/68-03/68 xfr 214th CAB
                          117th AHC 12/71 - 03/26/72 left RVN

118th AHC 06/25/63-08/31/71 left Vietnam

119th AML 06/25/63-06/25/63 xfr 52nd CAB

120th AHC 06/25/63-07/66 xfr CAPITAL Avn. Btn
121st AHC 06/25/63-07/63 xfr DELTA Btn

135th AHC 01/03/68-01/11/68 xfr 222nd CAB

147th AHC 09/6-11/66 xfr 222nd Btn

166th TC Detachment 
184th Avn Co (FW) 08/13/66-03/67 xfr 11th CAB

197th AHC 03/01/65-09/01/66 became 334thAHC

213th AHC 07/71-03/31/72 Inactivated
242nd AHC 04/71-10/01/71 left RVN.

334th AHC 09/01/66-07/01/71 xfr 12th Avn Gp

335th AHC 09/01/66-12/66 xfr 173rd Airborne Brigade
335th AHC 03/67-01/68 xfr 268th CAB

339th Trans Co 02/07/62-1964

Co. A 82nd Avn. Btn 08/66-09/01/66 became 335th AHC
Co. A 501ST Avn Btn 12/14/64-09/01/66 became 71st AHC