A NASA WB-57F Canberra from NASA Johnson Space Center sits on the airfield Nov. 22, 2013, on RAF Mildenhall, England. The WB-57 is an all-weather, high-altitude research aircraft and is transiting through RAF Mildenhall on its way to Ellington Field, Houston. The WB-57 can fly for approximately 6.5 hours, has a range of approximately 2,500 miles. (U.S. Air Force photo by Karen Abeyasekere/Released)