Served in the Army from April 1964 to September 1973. Served in Vietnam from March 1, 1968 and was medivaced out on September 13, 1968. Assigned to USARC and recruited the most during his time at USARC. Retired as SFC E-7.
Prior to the Army, Hack served in the Coast Guard for four years specializing in small boats and security.
Photo circa September 1973.