Senior Airman William S. Sullivan, a crew chief from

Senior Airman William S. Sullivan, a crew chief from the 140th Wing, assists 1st Lieutenant Brian Kane, an F-16 pilot from the 120th Fighter Squadron, 140th Wing, Colorado Air National Guard, Buckley Air Force Base, Colorado, before a mission over the skies of Nevada during Red Flag 17-2 at Nellis Air Force Base, Nevada. The Red Flag exercise is a realistic combat training exercise involving the air forces of the United States, its allies, and coalition partners, and is conducted on the vast gunnery ranges of the 2.9M acre Nevada Test and Training Range, a primary training area associated with Nellis Air Force Base, Nevada. The exercise brings in more than 100 aircraft and 3000 personnel with the goal of preparing commanders and service members at all levels for war in a realistic training scenario. (U.S. Air National Guard photo by Senior Master Sgt. John Rohrer)