US NAVY
John B Costantini Sr
February 15, 1923—November 20, 2001
MM3
Life Timeline
78 years1923
Born
February 15, 1923
US NAVY
Service Record
World War II
World War II
Conflict
MM3
2001
Passed Away
November 20, 2001
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
MM3
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more