Flight paves the way to aerial refueling and Milestone C testing EVERETT, Wash., Sept. 25, 2015 – The Boeing [NYSE: BA] and U.S. Air Force team successfully completed the first flight of a KC-46A tanker aircraft today, taking off from Paine Field at 1:24 p.m. (PST) and landing four hours later at Boeing Field in Seattle. This was the first flight of a KC-46A tanker-configured aircraft, fol..