Aircraft launch
U.S. Air Force Airman 1st Class Chris Renfroe, 74th Aircraft Maintenance Unit crew chief, left, and Senior Airman Tyler Hester, 476th Maintenance Squadron crew chief, prepare an A-10C Thunderbolt II cockpit prior to a flight, Jan. 5, 2016, at Moody Air Force Base, Ga. When performing aircraft launches, crew chiefs prepare aircraft and their pilots for flight. (U.S. Air Force photo by Airman 1st Class Kathleen D. Bryant/Released)