Space Shuttle Discovery flies over Washington, D.C. on its way to the National Air and Space Udvar-Hazy Center.

Space Shuttle Discovery flies over Washington, D.C. on its way to the National Air and Space Udvar-Hazy Center.

Space Shuttle Discovery flies over Washington, D.C. on its way to the National Air and Space Udvar-Hazy Center.

Space Shuttle Discovery flies over Washington, D.C. on its way to the National Air and Space Udvar-Hazy Center.

Space Shuttle Discovery flies over Washington, D.C. on its way to the National Air and Space Udvar-Hazy Center.