U.S. Army
John Anton Koob
March 6, 1929—May 16, 2009
1ST LT
Life Timeline
80 years1929
Born
March 6, 1929
US ARMY
Service Record
Korean War
Korean War
Conflict
1ST LT
2009
Passed Away
May 16, 2009
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
1ST LT
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more