US NAVY
John Andrew Knapper
March 15, 1943—April 7, 2002
Life Timeline
59 years1943
Born
March 15, 1943
US NAVY
Service Record
Vietnam War
Vietnam War
Conflict
2002
Passed Away
April 7, 2002
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more