US MARINE CORPS
Adam Peter Kiefer
January 15, 1940—September 2, 2011
CPL
Life Timeline
71 years1940
Born
January 15, 1940
US MARINE CORPS
Service Record
Vietnam War
Vietnam War
Conflict
CPL
2011
Passed Away
September 2, 2011
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
CPL
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more