US NAVY
John F Koval
September 26, 1921—April 6, 1999
AMM3
Life Timeline
77 years1921
Born
September 26, 1921
US NAVY
Service Record
World War II
World War II
Conflict
AMM3
1999
Passed Away
April 6, 1999
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
AMM3
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more