US AIR FORCE
John Mcnellan Duff III
January 19, 1940—September 15, 2003
TSGT
Life Timeline
63 years1940
Born
January 19, 1940
US AIR FORCE
Service Record
Vietnam War
Vietnam War
Conflict
TSGT
2003
Passed Away
September 15, 2003
Service Record
Verified fields from cemetery source data.
Branch
US AIR FORCE
Rank
TSGT
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more