An F-16, assigned to the 555th Fighter Squadron, Aviano Air Base, Italy, accelerates down the runway during take-off at Nellis Air Force Base, Nev., August 2, 2016, before participation in Green Flag 16-8. Green Flag exercises provide critical joint training for approximately 75,000 joint and coalition personnel per year, including 3,000 sorties, 6,000 flight hours, and the expenditure of over 700,000 pounds of live and training ordnance. (United States Air Force photo by Airman 1st Class Kevin Tanenbaum/Released)