US MARINE CORPS
Robert K Piening
May 22, 1925—January 29, 2003
CPL
Life Timeline
77 years1925
Born
May 22, 1925
US MARINE CORPS
Service Record
Korean War
Korean War
Conflict
CPL
2003
Passed Away
January 29, 2003
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
CPL
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more