U.S. Army
Donald L Brennan
May 21, 1952—October 18, 1999
SGT
Life Timeline
47 years1952
Born
May 21, 1952
US ARMY
Service Record
Vietnam War
Vietnam War
Conflict
SGT
1999
Passed Away
October 18, 1999
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SGT
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more