Airman 1st Class Vincent Gaspara, left, and Nathan Shull, center, and Tech. Sgt. Andrew Hamilton, right, all crew chiefs assigned to the 436th Aircraft Maintenance Squadron, remove a C-5M Super Galaxy main landing gear wheel and tire assembly April 22, 2014, at Dover Air Force Base, Del. The crew chiefs removed and replaced the 4A1 tire due to excessive tread wear. (U.S. Air Force photo/Roland Balik)
Airman 1st Class Nathan Shull, 436th Aircraft Maintenance Squadron crew chief, reviews the technical order for a C-5M Super Galaxy main landing gear tire change April 22, 2014, at Dover Air Force Base, Del. Shull assisted with the removal and replacement of the main landing gear wheel and tire assembly. (U.S. Air Force photo/Roland Balik)
Airman 1st Class Nathan Shull, 436th Aircraft Maintenance Squadron crew chief, cleans the number four main landing gear bogie assembly of a C-5M Super Galaxy April 22, 2014, at Dover Air Force Base, Del. Shull removed old lubricant after the 4A1 wheel and tire assembly was removed, then applied new lubricant prior to the installation of a new wheel and tire assembly. (U.S. Air Force photo/Roland Balik)
Tech. Sgt. Andrew Hamilton, front, 436th Aircraft Maintenance Squadron crew chief, inspects the main landing gear brake assembly of a C-5M Super Galaxy April 22, 2014, at Dover Air Force Base, Del.. Hamilton inspected the brake rotors in accordance with one of the tire change steps specified in the technical order. Airman 1st Class Nathan Shull, rear, 436th AMXS crew chief, waits to apply new lubricant to the bogie assembly. (U.S. Air Force photo/Roland Balik)
Airman 1st Class Vincent Gaspara, left, and Tech. Sgt. Andrew Hamilton, right, both crew chiefs assigned to the 436th Aircraft Maintenance Squadron, install a new C-5M Super Galaxy main landing gear wheel and tire assembly April 22, 2014, at Dover Air Force Base, Del. The crew chiefs used a harness to lift the 212-pound wheel and tire assembly onto the brake rotor. (U.S. Air Force photo/Roland Balik)
Airman 1st Class Vincent Gaspara, left, and Nathan Shull, center, and Tech. Sgt. Andrew Hamilton, right, all crew chiefs assigned to the 436th Aircraft Maintenance Squadron, secure a C-5M Super Galaxy main landing gear wheel and tire assembly to the main landing gear bogie April 22, 2014, at Dover Air Force Base, Del. The crew chiefs used a large torque wrench to apply specific torque values specified within the technical order covering a main landing gear wheel and tire change. (U.S. Air Force photo/Roland Balik)
A defective C-5M Super Galaxy main landing gear wheel and tire assembly prior to being taken away for maintenance April 22, 2014, at Dover Air Force Base, Del. The 4A1 tire was required to be changed due to tread wear exceeding limits specified in the technical order. Crew chiefs use chalk to identify possible tread wear that is out of limits. (U.S. Air Force photo/Roland Balik)
Airman 1st Class Vincent Gaspara, 436th Aircraft Maintenance Squadron crew chief, rolls a defective C-5M Super Galaxy main landing gear wheel and tire assembly April 22, 2014, at Dover Air Force Base, Del. Gaspara placed the defective wheel and tire assembly on a trailer to be taken to the wheel and tire shop for breakdown, rebuild and inspection. (U.S. Air Force photo/Roland Balik)