U.S. Air Force Capt. Stephen Kastler, 94th Fighter Squadron flight surgeon responds to the aircraft incident exercise at Joint Base Langley-Eustis, Va. July 11, 2017. The exercise was used to inspect and evaluate base capabilities, while also allowing Airmen to learn from their mistakes, better preparing them for real-world scenarios. (U.S. Air Force photo/Staff Sgt. Carlin Leslie)