US MARINE CORPS
John J Hart Jr
February 15, 1930—December 30, 2017
1STLT
Life Timeline
87 years1930
Born
February 15, 1930
US MARINE CORPS
Service Record
Korean War
Korean War
Conflict
1STLT
2017
Passed Away
December 30, 2017
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
1STLT
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more