** ADVANCE FOR MONDAY APRIL 16 ** FILE ** Richard Branson, left, Burt Rutan and Paul Allen, right, watch as SpaceShipOne glides back to earth during the Ansari X Prize competition in Mojave, Calif., Oct. 4, 2004. Rutan, a secretive aviation legend, and Branson, a public relations-savvy entrepreneur, have joined forces in a venture aimed at launching ordinary folks into space without government help. (AP Photo/Laura Rauch, File)