The 2017 Gen. Lew Allen Jr., award winners pose for a photo after an awards ceremony at the Pentagon, Arlington, Va., April 27, 2018. The annual award, named after the 10th Air Force chief of staff, recognizes the accomplishments of base-level officers and senior NCOs in their performance of aircraft, munitions or missile maintenance. (U.S. Air Force photo by Staff Sgt. Rusty Frank)