U.S. Army
John Robert Hollen
January 13, 1933—April 30, 2009
SGT
Life Timeline
76 years1933
Born
January 13, 1933
US ARMY
Service Record
Korean War
Korean War
Conflict
SGT
2009
Passed Away
April 30, 2009
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SGT
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more