U.S. Air Force Maj. Christopher Alley conducts preflight checks during exercise Red Flag 14-1 on Nellis Air Force Base, Nev., Jan. 30, 2014. Alley, a weapons systems officer, is assigned to the 391st Fighter Squadron F-15E Strike Eagle. Red Flag allows pilots to train in real-time war scenarios and gives ground crews an opportunity to test readiness capabilities. U.S. Air Force Maj. Christopher Alley conducts preflight checks during exercise Red Flag 14-1 on Nellis Air Force Base, Nev., Jan. 30, 2014. Alley, a weapons systems officer, is assigned to the 391st Fighter Squadron F-15E Strike Eagle. Red Flag allows pilots to train in real-time war scenarios and gives ground crews an opportunity to test readiness capabilities. SHARE: Download: Full Size (1.88 MB) Tags: photo essays Credit: VIRIN: 754798-Q-LKX61-190.jpg Photo Gallery