A U.S. Air Force F-16 Fighting Falcon from the 510th Fighter Squadron soars above at Aviano Air Base, Italy, Jan. 21, 2020. The F-16A, a single-seat model, first flew in December 1976. The first operational F-16A was delivered in January 1979 to the 388th Tactical Fighter Wing at Hill Air Force Base, Utah. (U.S. Air Force photo by Airman 1st Class Ericka A. Woolever).