Capt. John DiFebo conducts a pre-flight inspection on an F-16 Fighting Falcon. Capt. John DiFebo conducts a pre-flight inspection on an F-16 Fighting Falcon during Red Flag 12-2 at Nellis Air Force Base, Nev., on Jan. 26, 2012. Coalition partners from South Korea and Saudi Arabia participated in the joint training exercise. DiFebo is a pilot assigned to the 4th Fighter Squadron at Hill Air Force Base, Utah. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 274497-Y-UMP09-946.jpg Photo Gallery