US AIR FORCE
John Helin Mason
September 17, 1915—May 21, 2001
LT COL
Life Timeline
85 years1915
Born
September 17, 1915
US AIR FORCE
Service Record
World War II
World War II
Conflict
LT COL
2001
Passed Away
May 21, 2001
Service Record
Verified fields from cemetery source data.
Branch
US AIR FORCE
Rank
LT COL
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more