U.S. Air Force airmen inspect the drogue adaptor on a KC-135 Stratotanker before takeoff at Al Udeid Air Base, Qatar, in support of Operation Inherent Resolve, Jan. 8, 2016. The airmen are assigned to the 340th Expeditionary Air Refueling Squadron. The operation is part of the coalition's counter-ISIL efforts. U.S. Air Force photo by Tech. Sgt. Nathan Lipscomb