F-16 Fighting Falcons aircraft await the first sortie of the day during exercise Red Flag 16-1 on Nellis Air Force Base, Nev., Jan. 26, 2016. The aircraft are assigned to the South Carolina Air National Guard’s 157th Fighter Squadron, McEntire Joint National Guard Base, S.C. The exercise provides realistic combat training to maximize the combat readiness and survivability of participants by providing a realistic training environment. Air Force photo by Master Sgt. Burt Traynor