US MARINE CORPS
Jack William Mack
October 29, 1936—January 29, 2020
GYSGT
Life Timeline
83 years1936
Born
October 29, 1936
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
GYSGT
2020
Passed Away
January 29, 2020
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
GYSGT
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more