509th US ARMY SECURITY AGENCY GROUP
Organized:;1 June 1966
Cover Designation: 509th 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 COMMUNICATIONS UNIT, VIETNAM
Organized: 1 June 1966
Cover Designation: 18th Radio Research Unit
Assigned Command: 509th US Army Security Agency Group
Supported Command: 509th 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
