405th ARMY SECURITY AGENCY DETACHMENT

Deployed: 25 June 1965
Cover Designation: Detachment 2, 3d Radio Research Unit
Assigned Command: 53d US Army Security Agency Special Operations Command (3d RRU)
Supported Command: 1st Brigade 101" Airborne Division
Location: Bien Hoa
Inactivated: 5 November 1965
Reactivated: 15 July 1968
Cover Designation: 405th Radio Research Detachment
Assigned Command: 8th US Army Security Agency Field Station
Supported Command: 3d Brigade, 82d Airborne Division
Location: Ghia Le
Reassigned Command: 303d 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: 405th 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, 358th ASA Company
** Assumed residual mission of the discontinued Brigade Support Detachment (Provisional).