US NAVY
William Walter Costello
June 21, 1925—June 10, 2002
AM3
Life Timeline
76 years1925
Born
June 21, 1925
US NAVY
Service Record
World War II
World War II
Conflict
AM3
2002
Passed Away
June 10, 2002
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
AM3
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more