Air Force Capt. David, left, and Staff Sgt. Daniel Lasal prepare an F-16 Fighting Falcon aircraft for a night mission at Bagram Airfield, Afghanistan, Jan. 13, 2017. David is a pilot assigned to the 79th Expeditionary Fighter Squadron. Lasal is a crew chief assigned to the 455th Expeditionary Aircraft Maintenance Squadron. Air Force photo by Staff Sgt. Katherine Spessa