US NAVY
David Benjamin Mammen
June 28, 1979—April 21, 2021
MM3
Life Timeline
41 years1979
Born
June 28, 1979
US NAVY
Service Record
MM3
2021
Passed Away
April 21, 2021
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
MM3
Sourced from official cemetery data; last updated May 30, 2026.Learn more