US NAVY
John O Koenig
August 31, 1941—July 23, 2015
FN
Life Timeline
73 years1941
Born
August 31, 1941
US NAVY
Service Record
Vietnam War
Vietnam War
Conflict
FN
2015
Passed Away
July 23, 2015
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
FN
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more