US MARINE CORPS
John Bruce Mongillo
May 9, 1946—May 25, 2017
CPL
Life Timeline
71 years1946
Born
May 9, 1946
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
CPL
2017
Passed Away
May 25, 2017
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
CPL
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more