US NAVY
John Koptiuch Jr
March 20, 1925—December 7, 2016
MOMM2
Life Timeline
91 years1925
Born
March 20, 1925
US NAVY
Service Record
World War II
World War II
Conflict
MOMM2
2016
Passed Away
December 7, 2016
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
MOMM2
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more