U.S. Air Force Capt. Brittany Trimble, a 13th Fighter Squadron F-16 Fighting Falcon pilot, walks toward an F-16 Fighting Falcon during exercise RED FLAG Alaska 19-1 at Eielson Air Force Base, Alaska, Oct. 12, 2018. With 574 sorties and 1,072 hours flown by Oct. 16, RF-A 19-1 was one of the Air Force's most strategically impactful exercises. (U.S. Air Force photo by Airman 1st Class Collette Brooks)