Staff Sgt. Andrew Martin, 944th Aircraft Maintenance Squadron crew chief, checks quick access latches on an F-35 Jan. 29, 2019, Luke Air Force Base, Ariz. The latches must be checked prior to flight. Martin is an Air Reserve Technician working out of the 61st Aircraft Maintenance Unit. He scheduled to attend Officer Training School in March and will return to Luke for the F-35 Basic Qualification Course. (U.S. Air Force photo by Staff Sgt. Lausanne Kinder/RELEASED)