Space shuttle Enterprise arrives at Manhattan home

The space shuttle Enterprise is towed by barge up the Hudson River in New York with the World Trade Center's Freedom Tower in the background as it makes the final leg of its journey to its new Manhattan home on the flight deck of the Intrepid Sea, Air & Space Museum, Wednesday, June 6, 2012. The U.S. space agency, NASA, ended its shuttle program last year. (AP Photo/NASA, Bill Ingalls) MANDATORY CREDIT