The Don Englebreston Collection
Gallery: JPEG SM
A perpetual Julian date calendar served as a standard U.S. Air Force reference chart during the Vietnam War era. It was used to convert calendar dates into three-digit day-of-year codes for logistics, maintenance, and message records.
USAF Perpetual Julian Date Calendar Reference Chart
USAF Julian Date Calendar Reference Chart for Leap Years (1964, 1968, 1972)
USAF Aircraft Record Card - A-1H Skyraider 52-139665, Southeast Asia Basing History
