Colonel Steven Gust and Command Sergeant Major Joseph DiGiovanni

Ron Hawk's River Patrol Boat in Vietnam '67 - '68
USMC Sergeant Frank Grieser (Greg's brother) vacationing in sunny SE Asia '69 - '71 
Clark Durfee having a "blast" in Viet Nam with his guitar and Howitzers, and happily coming home '68
Steve Gust having a "joy ride" in Afghanistan 

Steve Gust having a 50 cal blast...