US AIR FORCE
John Calvin Williamson
April 27, 1933—December 20, 1998
SMSGT
Life Timeline
65 years1933
Born
April 27, 1933
US AIR FORCE
Service Record
SMSGT
1998
Passed Away
December 20, 1998
Service Record
Verified fields from cemetery source data.
Branch
US AIR FORCE
Rank
SMSGT
Sourced from official cemetery data; last updated May 30, 2026.Learn more