Civic leaders from San Antonio, Texas toured an F-16 engine test facility belonging to the Arizona Air National Guard’s 162nd Wing Nov. 17, 2017 at Davis-Monthan Air Force Base, Arizona. The wing flies the F-16 Falcon and were able to see an engine test in the facility nicknamed the “hush house.” (U.S. Air Force Photo/ Tech. Sgt. Carlos J. Trevino)