Guided by Kennedy Space Center employee, Terry Becker, NASCAR driver Ryan Newman, left,  prepares to drive the Astro Van, the vehicle used to transport astronauts, at Kennedy Space Center in Cape Canaveral, Fla. , Tuesday, June 17, 2008. During an event to recognize NASA's 50th anniversary, Newman, the winner of the 50th Daytona 500 auto race, was presented with a green racing flag that flew  in space aboard shuttle Atlantis. AP Photo logo AP Photo 12 months ago

Guided by Kennedy Space Center employee, Terry Becker, NASCAR driver Ryan Newman, left, prepares to drive the Astro Van, the vehicle used to transport astronauts, at Kennedy Space Center in Cape Canaveral, Fla. , Tuesday, June 17, 2008. During an event to recognize NASA's 50th anniversary, Newman, the winner of the 50th Daytona 500 auto race, was presented with a green racing flag that flew in space aboard shuttle Atlantis.