US NAVY
William J Yanchyshyn
December 28, 1941—June 7, 2022
AOC
Life Timeline
80 years1941
Born
December 28, 1941
US NAVY
Service Record
Vietnam War
Vietnam War
Conflict
AOC
2022
Passed Away
June 7, 2022
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
AOC
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more