Maj. Ethan Sabin, 31st Test and Evaluation Squadron assistant director of operations, prepares to taxi to the end of the runway for take-off at Mountain Home Air Force Base, Idaho, Feb. 12, 2016. The 31st TES from Edwards AFB, Calif., is part of the 53rd Wing at Eglin AFB, Fla., which tests, evaluates, and delivers effective and sustainable combat capabilities to perfect lethality and survivability of the nation’s combat forces. (U.S. Air Force photo by Airman 1st Class Jessica H. Evans/RELEASED)