U.S. Army
Oscar Callahan
December 31, 1981—April 27, 2014
PFC
Life Timeline
32 years1981
Born
December 31, 1981
US ARMY
Service Record
Persian Gulf War
Persian Gulf War
Conflict
PFC
2014
Passed Away
April 27, 2014
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
PFC
War / Conflict
Persian Gulf War
Sourced from official cemetery data; last updated May 30, 2026.Learn more