U.S. Air Force Maj. Jeremiah Tucker (left), 120th Fighter

U.S. Air Force Maj. Jeremiah Tucker (left), 120th Fighter Squadron, Colorado Air National Guard, test his flight helmet with Tech. Sgt. Jared McCartney (center) and Staff Sgt. Joshua Frizzell (right), 140th Operations Support Squadron, during Red Flag 14-1, at Nellis Air Force Base, Nev., Feb. 3, 2014. Combat units came together from the U.S. and its allied countries to engage in realistic combat training scenarios within Nellis’ 2.9 million acre Test and Training Range Complex. (U.S. Air National Guard photo by Tech. Sgt. Wolfram M. Stumpf/Released)