U.S. Air Force KC-10 Extenders line-up on the ramp at an air base in Europe. U.S. Air Force KC-10 Extenders from the 32nd Aerial Refueling Squadron, McGuire Air Force Base, N.J., line-up on the ramp at an air base in Europe on Feb. 22, 1999. U.S.-based aircraft and support personnel are deploying to their forward staging bases in Europe for potential NATO air operations. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 924600-X-OTO51-256.jpg Photo Gallery