Photo of the Day: A Day in History. On April 17, 2012 the Space Shuttle Discovery was retired and flown on top of NASA’s Boeing 747-123 N905NA (msn 20107) from the Cape Canaveral launch facility in Florida to the Smithsonian Institution facility at the Steven F. Udvar-Hazy Center at Dulles International Airport. N905NA is pictured arriving at IAD where it pictured making a low-fly by as a final salute. A NASA T-38 is flying alongside documenting the historic trip. Discovery will go on display at the Smithsonian museum.

N905NA was originally delivered to American Airlines as N9668 on October 29, 1970.

Copyright Photo: Brian McDonough.

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