A P-51 Mustang and a 457th Fighter Squadron F-16 Fighting Falcon fly over the east coast of the United States Friday, April 16, 2021. The flight commemorated the 75th anniversary of the squadron, which was activated on Oct. 21, 1944. The P-51 was the first aircraft assigned to the squadron. (U.S. Air Force photo by 1st Lt. Savanah Bray)