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