181220-F-SQ280-018
U.S. Air Force Senior Airman Gilbert, 380th Expeditionary Aircraft Maintenance Squadron E-3 AWACS Sentry crew chief, inspects a tire of a KC-10 during a pre-flight inspection at Al Dhafra Air Base, United Arab Emirates, Dec. 20, 2018. The crew chief’s extensive list of responsibilities including for pre-, post- and thru-flight checks, and well as various inspections, allows them to fully understand their vital role, making them jacks-of-all-trades when it comes to repairing the aircraft. (U.S. Air Force photo by Senior Airman Mya M. Crosby)