The National Air and Space Museum Steven F. Udvar-Hazy Center became the new home for Space Shuttle Discovery, which retired after completing its 39th mission in March 2011. 자세히 보기
The National Air and Space Museum Steven F. Udvar-Hazy Center became the new home for Space Shuttle Discovery, which retired after completing its 39th mission in March 2011. 자세히 보기