US MARINE CORPS
John Duane Deforest
January 13, 1930—February 20, 2009
CPL
Life Timeline
79 years1930
Born
January 13, 1930
US MARINE CORPS
Service Record
Korean War
Korean War
Conflict
CPL
2009
Passed Away
February 20, 2009
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
CPL
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more