Postcard of Enterprise Shuttle, by , c. 2003, Smithsonian Archives - History Div, Color postcard of the Enterprise shuttle from the Udvar-Hazy Center of the National Air and Space Museum. It is arriving at the Washington Dulles International Airport riding aboard a Boeing 747. The card has basic information about the Enterprise shuttle. The postcard is unused, but the message side has a pre-printed note: "Dear _____, The Enterprise is the first space shuttle ever built! What I think is great about the Enterprise is... [blank space] You have got to come see it!".