US NAVY
John William Hammack
April 19, 1926—June 25, 2017
MOMM3
Life Timeline
91 years1926
Born
April 19, 1926
US NAVY
Service Record
World War II
World War II
Conflict
MOMM3
2017
Passed Away
June 25, 2017
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
MOMM3
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more