KC-135
U.S. Air Force Airman 1st Class Travis Porter, left, 379th Expeditionary Air Maintenance Squadron Electrical Environmental, checks a puddle under an engine of a KC-135 Stratotanker, during pre-flight inspections with U.S. Air Force Capt. Neal Hunter, right, 340th Expeditionary Air Refueling Squadron KC-135 Stratotanker pilot, July 17, 2013, at an undisclosed location in Southwest Asia. Refueling missions here support air operations in and around Afghanistan as part of Operation Enduring Freedom. Porter, a native of Couert'Alene, Idaho, is deployed from McConnell Air Force Base, Kan. Hunter, a native of Minnetonka, Minn., is deployed from the Arizona Air National Guard, 161st Air Refueling Wing, Phoenix, Ariz. (U.S. Air Force photo/Staff Sgt. Marleah Miller)