U.S.

Bill Ingalls—NASA/EPA

Bill Ingalls—NASA/EPA

April 19, 2012. Space Shuttles Enterprise, left, and Discovery meet nose-to-nose during the a transfer ceremony at the Smithsonian’s Steven F. Udvar-Hazy Center in Chantilly, Va. Space Shuttle Discovery, the first orbiter retired from NASA’s shuttle fleet, completed 39 missions, spent 365 days in space, orbited the Earth 5,830 times, and traveled 148,221,675 miles.

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