The Air Force and prime contractor Boeing [BA] on Sunday successfully completed the KC-46A aerial refueling tanker's first refueling flight, according to a company statement.Following takeoff from Boeing Field in Seattle, the KC-46A test team worked through a series of test points before offloading 1,600 pounds of fuel to a F-16 fighter aircraft flying at 20,000 feet. Boeing spokesman Charles Ramey said Monday the KC-46A can carry 212,299 pounds of fuel on board while the refueling boom, which was used…