Airman 1st Class Alex Wetmiller, 54th Helicopter Squadron special missions aviator, does pre-flight checks, on a UH-1N Huey, at Minot Air Force Base, North Dakota, May 10, 2019. Special mission aviators are responsible for many pre-flight and in-flight checks according to the needs of the aircraft. (U.S. Air Force photo by Airman 1st Class Heather LeVeille)