U.S. Army
Leon John Koss
October 23, 1927—July 24, 2006
SP3
Life Timeline
78 years1927
Born
October 23, 1927
US ARMY
Service Record
Korean War
Korean War
Conflict
SP3
2006
Passed Away
July 24, 2006
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SP3
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more