U.S. Army
Robert Dean Callahan
December 14, 1937—April 19, 2002
SP4
Life Timeline
64 years1937
Born
December 14, 1937
US ARMY
Service Record
Vietnam War
Vietnam War
Conflict
SP4
2002
Passed Away
April 19, 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