U.S. Air Force Capt. Andrew Scherff and Senior Airman Thomas Schuman conduct a preflight check of a U.S. Air Force KC-135 Stratotanker before a refueling mission during Red Flag-Alaska 12-2 on Eielson Air Force Base, Alaska, June 20, 2012. Scherff, a KC-135 pilot, and Schuman, a crew chief, are assigned to McConnell Air Force Base, Kan. U.S. Air Force Capt. Andrew Scherff and Senior Airman Thomas Schuman conduct a preflight check of a U.S. Air Force KC-135 Stratotanker before a refueling mission during Red Flag-Alaska 12-2 on Eielson Air Force Base, Alaska, June 20, 2012. Scherff, a KC-135 pilot, and Schuman, a crew chief, are assigned to McConnell Air Force Base, Kan. SHARE: Download: Full Size (0.96 MB) Tags: Photo Essays Credit: VIRIN: 267618-F-FFT22-322.jpg Photo Gallery