U.S. Air Force Capt. Chelsea, 71st Fighter Training Squadron T-38 Talon adversary air mission commander, runs through pre-flight checks at Joint Base Langley-Eustis, Va., Dec. 6, 2016. The T-38s mission at JBLE are to help train pilots on maneuvering, air-to-air combat and flight hours. (U.S. Air Force photo by Airman 1st Class Tristan Biese)