Aerospace training - A man working on an airplane engine

U.S. Air Force Airman 1st Class Justin Parra, an aerospace propulsion specialist at the Vermont Air National Guard, fixes an F-16 engine in staged training Sept. 10, 2015. Parra, from New Jersey, is a Total Force Integration Airman and has been stationed with the Vermont Guard for about five months. (U.S. Air National Guard photo by Staff Sgt. Victoria Greenia)