Working through Winter
Airman 1st Class Emanuel Perez, 22nd Aircraft Maintenance Squadron crew chief, checks the tire pressure on a KC-135 Stratotanker during a pre-flight inspection Dec. 17, 2019, at McConnell Air Force Base, Kan. Despite freezing conditions pre-flight inspections must happen every 72 hours and include an interior and exterior check of the aircraft for any abnormalities. (U.S. Air Force photo by Airman 1st Class Alexi Bosarge)