U.S. Army
John B Upmann
September 12, 1944—March 12, 2002
SP4
Life Timeline
57 years1944
Born
September 12, 1944
US ARMY
Service Record
Vietnam War
Vietnam War
Conflict
SP4
2002
Passed Away
March 12, 2002
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SP4
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more