REFUELING U.S. Air Force Lt. Col. Sean Murphy, an E-4B aircraft pilot assigned to the 1st Airborne Command Control Squadron, prepares for an aerial refuel with a KC-135 Stratotanker aircraft over Italy, April 5, 2008. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 404962-U-MRJ28-881.jpg Photo Gallery