I visited the National Air and Space Museum's lesser-known second location. One exhibit stopped me in my tracks.

The space shuttle Discovery at the National Air and Space Museum's Steven F. Udvar-Hazy Center.

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• I visited the National Air and Space Museum's second location, the Steven F. Udvar-Hazy Center.
• The Virginia museum has over 200 aircraft and spacecraft in 340,000 square feet of exhibit space.
• The space hangar featuring the space shuttle Discovery was a highlight of my visit.

The National Air and Space Museum's flagship location in Washington...