Staff Sgt. Jonathan Quintanilla, 437th Maintenance Squadron crew chief, measures the distance between an aircraft jack and the aircraft using a tape measure Oct. 7, 2013, at Joint Base Charleston, S.C. A team of eight crew chiefs used six jacks to raise a C-17 Globemaster III off the ground to change a tire and inspect the gears. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Senior Airman Robert Haberman, 437th Maintenance Squadron crew chief, hooks a hydraulic line to a jack to before using the jacks to raise the C-17 Globemaster III off the ground for a tire change Oct. 7, 2013, at Joint Base Charleston, S.C. To raise a C-17 off the ground eight jacks and six crew chiefs are required. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Staff Sgt. Ryan Sova, 437th Maintenance Squadron crew chief, uses a head set to communicate with another Airman in the cockpit while raising a C-17 Globemaster III using jacks Oct. 7, 2013, at Joint Base Charleston, S.C. A team of eight crew chiefs used six jacks to raise a C-17 Globemaster III off the ground to change a tire and inspect the gears. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Staff Sgt. Ryan Sova, 437th Maintenance Squadron crew chief, pushes a button on a communication system to talk with another Airman in the cockpit while raising a C-17 Globemaster III using jacks Oct. 7, 2013, at Joint Base Charleston, S.C. A team of eight crew chiefs used six jacks to raise a C-17 Globemaster III off the ground to change a tire and inspect the gears. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Senior Airman Robert Haberman, 437th Maintenance Squadron crew chief, walks up the stairs of a C-17 Globemaster III while the aircraft is lifted off the ground with jacks Oct. 7, 2013, at Joint Base Charleston, S.C. To raise a C-17 off the ground eight jacks and six crew chiefs are required. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Staff Sgt. Darrell Walton, 437th Maintenance Squadron crew chief, sits in a C-17 Globemaster III checking to make sure all the gears are working Oct. 7, 2013, at Joint Base Charleston, S.C. A team of eight crew chiefs used six jacks to raise a C-17 Globemaster III off the ground to change a tire and inspect the gears. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Two 437th Maintenance Squadron crew chiefs work on the front gear of a C-17 Globemaster III while the aircraft is lifted off the ground using jacks Oct. 7, 2013, at Joint Base Charleston, S.C. A team of eight crew chiefs used six jacks to raise a C-17 Globemaster III off the ground to change a tire and inspect the gears. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Senior Airman Robert Pearson, 437th Maintenance Squadron crew chief, and Vincent Moseley, 437th MXS aircraft maintainer, remove a worn tire from a C-17 Globemaster III while the aircraft is lifted off the ground by jacks Oct. 7, 2013, at Joint Base Charleston, S.C. A team of eight crew chiefs used six jacks to raise a C-17 Globemaster III off the ground to change a tire and inspect the gears. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Staff Sgt. Ryan Sova, 437th Maintenance Squadron crew chief, uses a flashlight to check the inside of a gear to make sure nothing is damaged before putting a new tire on a C-17 Globemaster III Oct. 7, 2013, at Joint Base Charleston, S.C. For the crew chiefs to perform a tire change they first need to lift the aircraft off the ground using jacks. (U.S. Air Force photo/Senior Airman Dennis Sloan)

A breaker bar used to take off a tire from a C-17 Globemaster III and a used rag lie on the ground after 437th Maintenance Squadron crew chiefs performed a tire change Oct. 7, 2013, at Joint Base Charleston, S.C. For the crew chiefs to perform a tire change they first need to lift the aircraft off the ground using jacks. (U.S. Air Force photo/Senior Airman Dennis Sloan)