Staff Sgt. Ryan Feeney, 340th Expeditionary Aircraft Maintenance Unit crew chief, prepares a KC-135 Stratotanker for a mission June 1, 2016, at Al Udeid Air Base, Qatar. Airmen from the 340th AMU work together to prepare more than 30 KC-135s for daily in-air refueling missions round the clock. Feeney is attached to the 379th Air Expeditionary Wing and hails from Bangor Air National Guard Base, Maine. (U.S. Air Force photo by Technical Sgt. Carlos J. Trevino/Released)