Line Up Seven KC-135 Stratotankers line up on the taxiway as part of a training mission to validate maintenance and operational capabilities before take-off at Royal Air Force Mildenhall, England, March 13, 2006. The training mission demonstrated Mildenhall's quick response capability as the only Air Force refueling wing in Europe. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 682494-M-BOC22-987.jpg Photo Gallery