Space Shuttle Discovery Flies to Its Retirement Home

The Space Shuttle Discovery will make its final airborne journey tomorrow. The storied spacecraft will be ferried on the back of a Boeing 747 from Kennedy Space Center in Florida to Dulles International Airport outside Washington DC. The plane's final destination is the nearby Steven F. Udvar-Hazy Center of the… » 4/16/12 6:40pm 4/16/12 6:40pm