Senior Airman Brenden Pauly, 931st Maintenance Squadron crew chief, greases a connection point on the landing gear of a KC-46A Pegasus Aug. 3, 2020, at McConnell Air Force Base, Kansas. There are 12 different types of A-check inspections that maintenance Airmen must perform on aircraft throughout the year. (U.S. Air Force photo by Senior Airman Alexi Bosarge)