US MARINE CORPS
Jack B Greengo
September 30, 1931—December 6, 2011
SGT
Life Timeline
80 years1931
Born
September 30, 1931
US MARINE CORPS
Service Record
Korean War
Korean War
Conflict
SGT
2011
Passed Away
December 6, 2011
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
SGT
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more