An F-16 Fighting Falcon assigned to the 510th Fighter Squadron, Aviano Air Base, Italy, waits to taxi during Red Flag 16-1 at Nellis Air Force Base, Nev. Jan. 29. Red Flag is a realistic combat training exercise that provides heavily-contested and degraded operational environments to prepare crews for possible major combat operations. (U.S. Air Force photo by Airman 1st Class Rachel Loftis)