U.S. Army
Herman William Koeppen Sr
August 7, 1937—September 13, 2014
SGT
Life Timeline
77 years1937
Born
August 7, 1937
US ARMY
Service Record
Vietnam War
Vietnam War
Conflict
SGT
2014
Passed Away
September 13, 2014
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