U.S. Air Force Tech. Sgt. Zach Vaughan, a 173rd Fighter Wing crew chief, readies a jet for launch during operations at the 162nd Fighter Wing in Tucson, Ariz., Jan. 15, 2020. The 173rd Fighter Wing brought five aircraft to the Arizona base to support training for the F-16 Basic Course student pilots. (U.S. Air National Guard photo by Master Sgt. Jefferson Thompson)