The 164th Aviation Group is a former group of the United States Army that was operational during the Vietnam War as part of the 1st Aviation Brigade.
It was constituted "20 December 1967 in the Regular Army as Headquarters and Headquarters Company, 164th Aviation Group, and activated in Vietnam.
"[3] It was officially formed on 1 February 1968.
The group HHC was inactivated on 14 March 1973 at Oakland, California.
Redesignated 16 October 1995 as Headquarters and Headquarters Detachment, 164th Aviation Group, and activated in Korea.