U.S. Army
Calvin G Klopfenstein
September 12, 1930—September 14, 2020
SGT
Life Timeline
90 years1930
Born
September 12, 1930
US ARMY
Service Record
SGT
2020
Passed Away
September 14, 2020
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SGT
Sourced from official cemetery data; last updated May 30, 2026.Learn more