A pressure situation
Senior Airman Matthew Potter, a crew chief assigned to the 90th Expeditionary Air Refuling Squadron, checks the pressure on the tires of a KC-135 Stratotanker on the flightline at Incirlik Air Base, Turkey, during pre-flight checks on the aircraft, Nov. 9, 2012. Aircraft maintainers perform a long list of checks on the tankers prior to each flight to ensure all systems on the aircraft are operating properly. Potter is an Air Force Reservist from the 931st Air Refueling Group, McConnell Air Force Base, Kan. (U.S. Air Force photo by 1st Lt. Zach Anderson)