U.S. Air Force Senior Airman Cody Bowman, an aerospace propulsion journeyman, and Staff Sgt. Catalina Cornejo, an aerospace propulsion craftsman, both assigned to the 354th Maintenance Squadron, disassemble an F110-GE-100C jet engine Oct. 8, 2015, during an engine rebuild in the Engine Shop at Eielson Air Force Base, Alaska. Bowman and Cornejo conducted an engine rebuild to find and replace any worn components. (U.S. Air Force photo by Senior Airman Peter Reft/Released)