ASA ONLINE - ASA Order of Battle RVN by Unit

Army Security Agency
ONLINE
ASA OOB RVN - By Unit

07-27-00

Army Security Agency Order of Battle
Republic of Vietnam
Compiled by the INSCOM Historians
Jim Gilbert and John Finnegan
from official ASA wartime documentation
Obtained by Phil Hogle
Digital Conversion by Maddog
1^st ASA COMPANY (AVIATION)
Deployed: 21 June 1967
Cover Designation: 1^stRadio Research Company (Aviation)
Assigned Command: 224^thAviation Battalion (Radio Research)
Supported Command: MACV*
Location: Cam Rahn Bay
Inactivated: 30 April 1972
Vietnam Campaign Credit: 1**, 5-17
Vietnam Honors: 2 MUCs and 1 RVN CGP
*From Mar 1971 to Apr 1972, a detachment from the 146^th Avn Co was attached to the 1^st Avn Co to perform ARDF missions in the MR 2 upon the inactivation of the 144^th Avn Co.
** Prior to assignment to ASA, the then 1^st Army Avn Co had deployed briefly to Vietnam.

138^thAVIATION COMPANY (RADIO RESEARCH)

Activated: 1 June 1966
Cover Designation: 138^th Aviation Company (Radio Research)
Assigned Command: 224^th Aviation Battalion
Supported : I CTZ*
Location: Da Nang on 1 June 1966
Relocated: Phu Bai on 3 June 1970
Relocated: Da Nang on 21 October 1972
Inactivated: 1 March 1973
Vietnam Campaign Credit: 3-17
Vietnam Honors: 2 MUCs, 1 MUC (Navy), and 1 RVN CGP
* Redesignated MR 1 on 4 Oct 1970.

144^thAVIATION COMPANY (RADIO RESEARCH)

Activated: 1 June 1966
Cover Designation: 144^th Aviation Company (Radio Research)
Assigned Command: 224^th Aviation Battalion
Supported: II CTZ*
Location: Nha Trang (Camp John P. McDermott)
Inactivated: 30 September 1971 (stood down April 1971)**
Vietnam Campaign Credit: 3-15
Vietnam Honors: 3 MUCs and 1 RVN CGP
* Redesignated MR 2 on 4 Oct 1970.
** Mission transfered to the 146^th Avn Co.

146^th AVIATION COMPANY (RADIO RESEARCH)

Activated: 1 June 1966
Cover Designation: 146^th Aviation Company (Radio Research)
Assigned Command: 224^th Aviation Battalion
Supported: III CTZ*
Location: Saigon
Relocated: Long Thanh North on 5 January 1970
Supported: MR 3 and MR 2 April 1970**
Relocated: Can Tho on 16 August 1972
Supported: MR 3 and MR 4 in August 1972***
Inactivated: 17 February 1973
Vietnam Campaign Credit: 3-17
Vietnam Honors: 3 MUCs and 1 RVN CGP
* Redesignated MR 3 on 4 Oct 1970
**Assumed mission of the inactivated 144^th Avn Co.
***Assumed mission of the redeployed 156^th Avn Co.

156^thAVIATION COMPANY (RADIO RESEARCH)

Activated: 1 June 1966
Cover Designation: 156^th Aviation Company (Radio Research)
Assigned Command: 224^th Aviation Battalion
Supported Command: IV CTZ*
Location: Can Tho
Redeployed: 27 April 1972**
Vietnam Campaign Credit: 3-17
Vietnam Honors: 3 MUC's and 1 RVN CGP
* Redesignated MR 4 on 4 Oct 1970.
**Transferred mission to 146^th Avn Co.

HQ & HQ DETACHMENT, 224^thAVIATION BATTALION

Activated: 1 June 1966
Cover Designation: Hq & Hg Company, 224^th Aviation Battalion (Radio Research)
Assigned Command: 509^th US Army Security Agency Group
Supported Command: MACV
Location: Saigon
Relocated: Long Thanh North on 5 January 1970
Redesignated:Hq & Hq Company, 224^th Army Security Agency Battalion on 19 May 1971
Cover Redesignatlon: 224^thRadio Research Battalion
Relocated: Saigon on 19 August 1972
Redeployed: 3 March 1973
Vietnam Campaign Credit: 3-17
Vietnam Honors: 3 MUCs and 1 RVN CGP

265^thARMY SECURITY AGENCY COMPANY

Deployed: 3 December 1967
Cover Designation: 265^th Radio Research Company
Assigned Command: 303^d Army Security Agency Battalion
Supported Command: 101^st Airborne Division
Location: Bien Hoa
Reassigned Command: US Army Security Agency Field Station, Phu Bai on 23 February 1968
Relocated: Camp Eagle on 15 March 1968
Relocation: Phu Bai on 13 January 1972
InactIvated: 1 April 1972 (zero strength by 18 January 1972)
Vietnam Campaign Credit: 5-17
Vietnam Honors: 3 MUCs, 4 RVN CGP, and 1 RVN CA*
* The 3d Platoon, 265^th Army Security Agency Company was awarded an MUC.

HQ & HQ COMPANY, 3O3^d ARMY SECURITY AGENCY BATTALION

Deployed: 12 April 1966
Cover Designation: 17^th Radio Research Unit
Assigned Command: 53^d US Army Security Agency Special Operations Command (3d RRU)
Supported Command: FFV-II
Location: Long Binh
Reassigned Command: 509^th US Army Security Agency Group on 1 June1966
Cover Redesignation: 303^d Radio Research Battalion on 29 July 1966
Redeployed: 15 June 1971*
Vietnam Campaign Credit: 3-14
Vietnam Honors: 5 MUCs, 1 RVN CGP, and 1 RVN CA
*Command mission transferred to USASA Field Station, Bien Hoa

COMPANY 'A', 3O3^d ARMY SECURITY AGENCY BATTALION

Deployed: 13 February 1966
Cover Designation: 16^th Radio Research Unit
Assigned Command: 303^d Army Security Agency Battalion
Supported Command: 25^th Infantry Division
Location: Cu Chi
Redesignation: 372^dArmy Security Agency Company on 15 October 1966
Cover Redesignation: 372^d Radio Research Company
Inactivated: 6 March 1971 (zero strength by November 1970)
Vietnam Campaign Credit: 3- 14
Vietnam Honors: 5 MUCs, 3 RVN CGP, and 1 RVN CA

COMPANY 'C', 3O3^d ARMY SECURITY AGENCY BATTALION

Deployed: 7 September 1966
Cover Designation: 374^th Radio Research Company
Assigned Command: 313^th Army Security Agency Battalion
Supported Command: 4^th Infantry Division Location: Pleiku (Camp Enari)
Redesignation: 374^th Army Security Agency Company on 15 October 1966
Cover Redesignation: 374^th Radio Research Company
Relocated: An Khe (Camp Radcliff) on 1 March 1970
Redeployed: 15 December 1970
Vietnam Campaign Credit: 4-14
Vietnam Honors: 3 MUCs, 3 RVN CGPs, and 1 RVN CA** Detachment 1, 374^th ASA Company was awarded 1 PUC.

HQ & HQ COMPANY, 313^th ARMY SECURITY AGENCY BATTALION

Deployed: 15 March 1966
Cover Designation: 13^th Radio Research Unit
Assigned Command: 53d US Army Security Agency Special Operations Command (3^d RRU)
Supported Comand: FFV- I
Location: Nha Trang
Cover Redesignation: 313^th Radio Research Battalion on 3 May 1966
Reassigned Command: 509^th US Army Security Agency Group on 1 June 1966
Redeployed: 18 June 1971*
Vietnam Campaign Credit: 3-14
Vietnam Honors: 5 MUCs and 1 RVN CGP
*Command mission transferred to USASA Fietd Station, Pleiku.

COMPANY 'B', 313^thARMY SECURITY AGENCY BATTALION

Deployed: 3 August 1965
Cover Designation: 11^th Radio Research Unit
Assigned Command: 53dUS Army Security Agency Special Operations Command (3^d RRU)
Supported Command: 1^st Infantry Division
Location: Bien Hoa
Relocated: Di An on 10 November 1965
Reassigned Command: 303^d Army Security Agency Battalion on 10 May 1966
Redesignation: 337^th Army Security Agency Company on 30 September 1966
Cover Redesignatlon: 337^th Radio Research Company
Relocated: Lai Khe on 15 August 1969
Relocated: Di An on 17 February 1970
Redeployed: 7 April 1970
Vietnam Campaign Credit: 2-12
Vietnam Honors: 5 MUCs, 1 RVN CGP, and 1 RVN CA

COMPANY 'C', 313^th ARMY SECURITY AGENCY BATTALION

Deployed: 1 August 1965
Cover Designation: 10^th Radio Research Unit
Assigned Command: 53^d US Army Security Agency Special Operations Command:(3^d RRU)
Supported Command: 1^st Cavalry Division
Location: An Khe (Camp Radcliff)
Reassigned Command: 313^th Army Security Agency Battalion on 10 April 1966
Redesignation: 371^st Army Security Agency Company on 15 October 1966
Cover Redesignation: 371^st Radio Research Company
Reassigned Command: US Army Security Agency Field Station,
Phu Bai on 23 February 1968
Relocated: Camp Evans (near Phu Bai) on 17 March 1968
Reassigned Command: 303^d Army Security Agency Battalion on 16 October 1968
Relocated: Camp Gorvad (Phuoc Vinh) on 11 November 1968
Redeployed: 29 April 1971**
Vietnam Campaign Credit: 2-14
Vietnam Honors: 2 PUCs, 1 VUA, 4 MUCs, 3 RVN CGPs and 1 RVN GA*
* Detachment 2, 371^st Army Security Agency Company received the VUA
** Residual mission transferred to the organized Brigade Radio Research Detachment (Provisional).

328^th ARMY SECURITY AGENCY COMPANY

Activated: 20 November 1968*
Cover Designation: 328^th Radio Research Company
Assigned Command: 313^th Army Security Agency Battalion
Supported Command: 23^d Infantry Division
Location: Chu Lai
Reassigned Command: US Army Security Agency Field Station, Pleiku on 30 June 1971
Relocated: Da Nang on 24 October 1971
Reassigned Command: US Army Security Agency Field Station, Phu Bai on 24 October 1971
Inactivated: 30 June 1972 (zero strength by 12 March 1972)
Vietnam Campaign Credit: 9-17
Vietnam Honors: 3 MUCs and 3 RVN CGP^***Assumedmission of the Americal Radio Research Company (Provisional)
** Detachment 2, 328^th Army Security Agency Company received the MUC.

330^thARMY SECURITY AGENCY COMPANY

Deployed: 2 August 1966
Cover Designation: 12^th Radio Research Unit
Assigned Command: 313^th Army Security Agency Battalion
Supported Command: FFV - I Location: Pleiku (Engineer Hill)
Cover Redesignation: 330^th Radio Research Company on 18 July 1966
Relocated: Nha Trang on 20 May 1970
Reassigned Command: US Army Security Agency Group, Vietnam (509^th RR Group) on 15 June 1971
Inactivated: 30 September 1971*
Vietnam Campaign Credit: 4-15
Vietnam Honors: 4 MUCs and 1 RVN CGP
*Missiontransferred to USASA Field Station, Pleiku

335^thARMY SECURITY AGENCY COMPANY

Deployed: 10 January 1967
Cover Designation: 335^th Radio Research Company
Assigned Command: 303^d Army Security Agency Battalion
Supported Command: 9^th Infantry Division
Location: Bear Cat
Relocated: Dong Tam on 16 July 1968
Relocated: Di An on 28 August 1969
Reassigned Command: US Army Security Agency Group, Vietnam (509^th RR Group) on 24 December 1969
Relocated: Can Tho on 24 December 1969
Inactivated: 30 September 1971*
Vietnam Campaign Credit: 4-15
Vietnam Honors: 5 MUCs, 3 RVN CGPs, and 1 RVN CA
* Mission and personnel transferred on 5 April 1971 to the USASA Operations Company, Can Tho.

DETACHMENT 'A', 358^th ARMY SECURITY AGENCY COMPANY

Deployed: 19 February 1968
Cover Designation: Detachment 'A', 358^th Radio Research Company
Assigned Command: US Army Security Agency Field Station, Phu Bai
Supported Command: 3d Brigade 82d Airborne Division
Location: Hue-Phu Bai
Redeployed: 15 July 1968*
Vietnam Campaign Credit: None**
Vietnam Honors: None
Mission transferred to the 405^th Radio Research Detachment
** Elements deployed without their headquarters elements receive no campaign credits.

4O3^d ARMY SECURITY AGENCY SPECIAL OPERATION DETACHMENT (AIRBORNE)

Deployed: 27 September 1966
Cover Designation: 403^d Radio Research Special Operations Detachment (Airborne)
Assigned Command: 509^th US Army Security Agency Group
Supported Command: 5^th Special Forces Group
Location: Nha Trang
InactIvated: 15 December 1970
Vietnam Campaign Credit: 4-14
Vietnam Honors: 1 PUC, 1 MUC, 3 RVN CGP, and 1 RVN CA

4O4th ARMY SECURITY AGENCY DETACHMENT

Deployed: 4 May 1965
Cover Designation: Detachment 1, 3^dRadio Research Unit
Assigned Command: 53^d US Army Security Agency Special Operations Command (3^d RRU)
Supported Command: 173^d Airborne Brigade
Location: Bien Hoa
Reassigned Command: 303^d Army Security Agency Battalion in May 1966
Cover Redesignation: 404^th Radio Research Detachment on 29 July 1966
Reassigned Command: 313^thArmy Security Agency Battalion on 1 December 1967
Relocated: Phu Hiep in February 1968
Relocated: LZ English (Bong Son) on January 69
Reassigned Command: US Army Security Agency Field Station, Pleiku on 30 September 1971
Inactivated: 1 April 1972 (zero strength 28 August 1971)*
Vietnam Campaign Credit: 2-17
Vietnam Honors: 1 PUC, 6 MUCs, and 1 RVN CGP
^*Residual mission transferred to 330^th Radio Research Field Station on 23 July 1971

405^thARMY SECURITY AGENCY DETACHMENT

Deployed: 25 June 1965
Cover Designation: Detachment 2, 3^d Radio Research Unit
Assigned Command: 53^d US Army Security Agency Special Operations Command (3^d RRU)
Supported Command: 1^st Brigade 101" Airborne Division
Location: Bien Hoa
Inactivated: 5 November 1965
Reactivated: 15 July 1968
Cover Designation: 405^th Radio Research Detachment
Assigned Command: 8^th US Army Security Agency Field Station
Supported Command: 3^d Brigade, 82^d Airborne Division
Location: Ghia Le
Reassigned Command: 303^d Army Security Agency Battalion on 28 September 1968
Relocated: Phuc Loi on 28 September 1968
Inactivated: 5 December 1969
ReactIvated: 30 September 1971 **
Cover Designation: 405^th Radio Research Detachment
Assigned Command: US Army Security Agency Field Station, Bien Hoa
Supported Command: 3d Brigade, 1" Cavalry Division
Location: Phuoc Vien, Bien Hoa
Inactivated: 30 June 1972
Vietnam Campaign Credit: 2, 8-12, 15-17
Vietnam Honors: 3 MUCs and 1 RVN CA
* Assumed mission of the redeployed Detachment A, 358^th ASA Company
** Assumed residual mission of the discontinued Brigade Support Detachment (Provisional).

4O6^th ARMY SECURITY AGENCY DETACHMENT

Deployed: 23 July 1965
Cover Designation: Detachment '3', 3^d Radio Research Unit
Assigned Command: 53^d US Arm'y Security Agency Special Operations Command (3" RRU)
Supported Command:1^st Brigade, 101^st Airbome Division
Location: Phan Rang (arrived 5 November 1965)
Reassigned Command: 313^th Army Security Agency Battalion on 2 May 1966
Cover Redesignation: 406^th Radio Research Detachment on 29 July 1966
Reassigned Command: 8^th US Army Security Agency Field Station on 16 July 1968
Relocated: Camp Eagle on 16 July 1968
Inactivated: 20 November 1968*
Vietnam Campaign Credit: 2-9
Vietnam Honors: 1 PUC, 1 VUA, 2 MUCs and 1 RVN CGP
* Residual mission transferred to 265^th ASA Company.

407^th ARMY SECURITY AGENCY DETACHMENT

Deployed: 10 August 1965
Cover Designation: Detachment '4', 3^d Radio Research Unit
Assigned Command: 53^dUS Army Security Agency Special Operations Command (3d RRU)
Supported Command: Field Force, Vietnam
Location: Nha Trang
Inactivated: 3 May 1966
Deployed: 28 July 1968
Cover Designation: 407^th Radio Research Detachment
Assigned Command: US Army Security Agency Field Station, Phu Bai
Supported Command: 1^st Brigade, 5^th Infantry Division (Mech)
Location: Quang Tri
Inactivated: 1 April 1972 (zero strength on 28 August 1971)*
Vietnam Campaign Credit: 2-3, 8-17
Vietnam Honors: 3 MUCs and 3 RVN CGP
* Portion of mission transferred to Detachment 'A', USASA Field Station, Phu Bai.

408^thARMY SECURITY AGENCY DETACHMENT

Deployed: 1 October 1966
Cover Designator: 408^th Radio Research Detachment
Assigned Command: 303^d Army Security Agency Battalion
Supported Command: 196^th Infantry Brigade (Light)
Location: Tay Ninh
Reassigned Command: 313^th Army Security Agency Battalion on 12 April 1967
Relocated: Chu Lai as of 1 October 1967*
Inactivated: 20 November 1968
Vietnam Campaign Credit: 4-9
Vietnam Honors: 2 MUCs
* See Americal Radio Research Company (Provisional)

409^thARMY SECURITY AGENCY DETACHMENT

Deployed: 18 August 1966
Cover Designation: 409^th Radio Research Detachment
Assigned Command: 303^d Army Security Agency Battalion
Supported Command: 11^th Armored Cavalry Regiment
Location: Xuan Loc (Blackhorse Base Camp)
Relocated: Di An on 5 October 1969
Inactivated: 6 March 1971
Vietnam Campaign Credit: 4-14
Vietnam Honors: 1 VUA, 4 MUCs, 4 RVN CGPs, and 1 RVN CA

415^thARMY SECURITY AGENCY DETACHMENT

Deployed: 22 December 1967*
Cover Designation: 415^th Radio Research Detachment
Assigned Command: 313^th Army Security Agency Battalion
Supported Command: 11^th Infantry Brigade (Light)
Location: Chu Lai
Inactivated: 20 November 1968
Vietnam Campaign Credit: 5-9
Vietnam Honors: 1 MUC
*See Americal Radio Research Company (Provisional)

601^stARMY SECURITY AGENCY DETACHMENT

Deployed! 26 October 1967*
Cover Designation: 601^st Radio Research Detachment
Assigned Command: 313^th Army Security Agency Battalion
Supported Command: 198^th Infantry Brigade (Light)
Location: Chu Lai
Inactivated: 20 November 1968
Vietnam Campaign Credit: 5-9
Vietnam Honors: 1 MUC
* See Americal Radio Research Company (Provisional)

856^thARMY SECURITY AGENCY DETACHMENT

Deployed: 21 November 1966
Cover Designation: 856^th Radio Research Detachment
Assigned Command: 303^d Army Security Agency Battalion
Suported Command: 199^th Infantry Brigade Light
Location: Long Binh (Camp Frenzell-Jones)
InactIvated: 6 March 1971 (stood down on 24 December 1970)
Vietnam Campaign Credit: 4-14
Vietnam Honors: 1 VUA, 4 MUCs, 3 RVN CGPs, and 2 RVN CAs

PROVISIONAL RADIO RESEARCH COMPANY

OrganIzed: 10 April 1967*
Assigned Command: 313^th Army Security Agency Battalion
Supported Command: Task Force OREGON
Location: Chu Lai
Supported Command: 23d Infantry Division (Americal) on 25 September 1967
Redesignated: Americal Radio Research Company (Provisional) on 7 October 1967**
Discontinued: 20 November 1968* * *
^*Formed ftom the 406^th and 408^th ASA Detachments and Detachment '2', 374^th ASA Company.
**Formed from the 408^th 415^th, and 601^st ASA Detachments.
***Mission transferred to the 328^th ASA Company on 20 November 1968.
Relocated: Da Nang on 24 October 1971

BRIGADE RADIO RESEARCH DETACHMENT (PROVISIONAL)

Organized: 3 April 1971*
Assigned Command: 303^d Army Security Agency Battalion
Supported Command: 3^d Brigade, 1^st Cavalry Division
Location: Bien Hoa
Reassigned Command: US Army Security Operations Company, Bien Hoa on 15 June 1971 **
Discontinued: 30 September 1971 ***
* Mission received from inactivated 371^st ASA Company.
** Mission transferred to USASA Field Station, Bien Hoa.
***Mission transferred to the newly activated 405^th ASA Det.

8^th US ARMY SECURITY AGENCY FIELD STATION

Organized: 1 November 1964*
Cover Designation: 8^th Radio Research Unit
Assigned Command: 53^d US Army Security Agency Special Operations Command (3^d RRU)
Supported Command: MACV and MAF
Location: Phu Bai
Reassigned Command: 509^th US Army Security Agency Group on 1 June 1966
Redesignation: US Army Security Agency Field Station, Phu Bai on 15 December 1967
Cover Redesignation: 8^th Radio Research Field Station
Supported Command: MACV and XXIV Corps on 14 April 1971**
Supported Command: MACV and FRAC on 19 March 1972***
Relocated: Da Nang on 1 November 1972
Discontinued: 26 February 1973
Vietnam Campaign Credit: 1-17
Vietnam Honors: 3 MUCs, 1 RVN CGP, and 1 RVN CA
* Replaced Det J, 3^d RRU.
^**UponDeparture of the MAF.
***Upon Departure of the XXIV Corps.

82^d US ARMY SECURITY AGENCY SPECIAL OPERATIONS UNIT

Organized: 20 September 1961*
Cover Designation: 3^d Radio Research Unit
Assigned Command: US Army Security Agency Pacific
Supported Command: MAAG-V/MACV
Location: Saigon
Redesignation: 53^d US Army Security Agency Special Operations Command on 1 November 1964
Discontinued: 1 June 1966**
Vietnam Campaign Credit: 1-3
Vietnam Honors: 2 MUCs***
*Replaced the 400^th USASA Unit (Prov).
**Command mission transferred to the 509^th USASA Gp. ^***Detachment'J', 3^d Radio Research Unit received 1 MUC; 1^st Team, 3^dRRU received 1 PUC; and 2^d Team, 3^d RRU received 1 PUC.

101^stUS ARMY SECURITY AGENCY SECURITY DETACHMENT

Organized: 1 March 1963
Cover Designation: 7^th Radio Research Unit
Assigned Command: 82^d US Army Security Agency Special Operations Unit (3" RRU)
Supported Command: MACV and USARV
Location: Saigon
Reassigned Command: 509^th US Army Security Agency on 1 June 1966
Cover Redesignation: 101" Radio Research Company on 10 September 1966
Redesignation: USASA Security Company, Saigon on 15 December 1967
Relocation: Long Binh on 30 March 1970
Relocation: Saigon on 16 March 1971
Discontinued: 1 April 1972
Vietnam Campaign Credit: 1-17
Vietnam Honors: 4 MUCs and 1 RVN CGP

175^thUS ARMY SECURITY AGENCY COMPANY

Organized: 1 June 1966
Cover Designation: 175^th Radio Research Company
Assigned Command: 303^d Army Security Agency Battalion
Supported Command: MACV and FFV-II
Location: Saigon
Redesignation: US Army Security Agency Operations Company, Saigon on 15 December 1967
Relocation: Bien Hoa on 3 July 1967
Redesignation: US Army Security Agency Operations Company, Bien Hoa on 15 July 1968
Supported Command: MACV and FRAC as of 30 April 1971
Redesignation: US Army Security Agency Field Station, Bien Hoa on 30 September 1971*
Cover Redesignation: 175^th Radio Research Field Station
Reassigned Command: US Army Security Agency Group, Saigon (509^th RR Group) on 30 September 1971
Relocation: Saigon on 29 September 1972
Discontinued: 26 February 1973
Vietnam Campaign Credit: 3-17
Vietnam Honors: 5 MUCs, 1 RVN CGP, and 1 RVN CA
*The Radio Research Field Station, Bien Hoa (Provisional) was in existence from 1 May 1971 to 30 September 1971.

400^th US ARMY SECURITY AGENCY UNIT (PROVISIONAL)

OrganIzed: 23 May 1961
Cover Designation: 3^d Radio Research Unit
Assigned Command: US Army Security Agency Pacific
Supported Command: MAAG
Location: Saigon
Discontinued: 20 September 1961*
*Mission and personnel transferred to the 82^d USASA Special Operations Unit.

509^thUS ARMY SECURITY AGENCY GROUP

Organized: 1 June 1966
Cover Designation: 509^th Radio Research Group
Supported Command: MACV and USARV
Assigned Command: USASA Pacific
Location: Saigon
Redesignation: US Army Security Group, Vietnam on 15 December 1967
Discontinued: 7 March 1973
Vietnam Campaign Credit: 3-17
Vietnam Honors: 3 MUCs and 2 RVN CGP

US ARMY SECURITY AGENCY FIELD STATION, PLEIKU*

Organized: 30 September 1971**
Cover Designation: 330^th Radio Research Field Station
Assigned Command: US Army Security Agency Group, Vietnam
Supported Command: MACV and SRAC
Location: Nha Trang
Discontinued: 1 September 1972
Vietnam Campaign Credit: 15-17
Vietnam Honors: None
*The planned relocation to Pleiku never took place.
**USASA Field Station, Pkeiku (Provisional) in existence from 1 May to 30 September 1971.

US ARMY SECURITY AGENCY COMPANY, CAN THO

Organized: 5 April 1971*
Cover Designation: 335^th Radio Research Company
Assigned Command: US Army Security Agency Group, Vietnam
Supported Command: Delta Regional Assistance Command
Location: Can Tho
Discontinued: 30 June 1972
Vietnam Campaign Credit: 14-17
Vietnam Honors: None
* Residual mission of the inactivated 335^th ASA Company.

US ARMY SECURITY AGENCY COMMUNICATIONS UNIT, VIETNAM

Organized: 1 June 1966
Cover Designation: 18^th Radio Research Unit
Assigned Command: 509^th US Army Security Agency Group
Supported Command: 509^th US Army Security Agency Group
Location: Saigon
Cover Redesignation: Radio Research Communations Unit, Vietnam on 2 September 1966
DIscontinued: 31 January 1973
Vietnam Campaign Credit: 3-17
Vietnam Honors: 3 MUCs and 1 RVN CGP

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