US MARINE CORPS
John Warren Flanagan
February 16, 1946—February 25, 2016
SGT
Life Timeline
70 years1946
Born
February 16, 1946
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
SGT
2016
Passed Away
February 25, 2016
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
SGT
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more