Senior Airman Marlene Roque removes a tire from a C-17 Sept. 15 at the home station check hangar on Charleston AFB. Airmen from the 437th Maintenance Squadron keep the Charleston C-17s running to support the Global War on Terrorism. Airman Roque is a crew chief with the 437th Maintenance Squadron. (U.S. Air Force photo/Airman 1st Class Katie Gieratz)

Senior Airman Marlene Roque breaks torque on a C-17 tire at the home station check hangar on Charleston AFB Sept. 15. Breaking torque loosens retaining bolts on the interior of the tire in order to remove it. Airman Roque is a crew chief with the 437th Maintenance Squadron. (U.S. Air Force photo/Airman 1st Class Katie Gieratz)

Senior Airman Marlene Roque pushes a tire that will be sent to the wheel and tire shop to be broken down, inspected and rebuilt on Charleston AFB. Airman Roque is a crew chief with the 437th Maintenance Squadron. (U.S. Air Force photo/Airman 1st Class Katie Gieratz)

Senior Airman Marlene Roque removes the retaining bolt from a landing gear support fixture at the home station check hangar on Charleston AFB. Maintenance Airmen at the HSC hangar fully inspect an average of three C-17s a week. Airman Roque is a crew chief with the 437th Maintenance Squadron. (U.S. Air Force photo/Airman 1st Class Katie Gieratz)