An F-16 Fighting Falcon takes off at Holloman Air Force Base, N.M., May 19, 2015. The 311th Fighter Squadron, a tenant unit from Luke Air Force Base, Ariz., trains F-16 pilots at Holloman. The students are at a point in their syllabus where they are learning how to use night vision goggles and perform combat night operations. (U.S. Air Force photo by Airman 1st Class Emily A. Kenney/Released)