Tech. Sgt. Justin St Thomas, 162nd Wing aircraft engine specialist, inspects the liner of an F-16 Fighting Falcon jet engine for cracks, bulges and blemishes at Morris Air National Guard Base, Tucson, Ariz., Jan. 9, 2022. Aircraft engine specialists play a critical role in ensuring aircraft engines are in prime condition to execute safe missions and exercises.
U.S. Air National Guard photo by Senior Master Sgt. Charles Givens