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Nơi chia sẻ tri thức, kết nối cộng đồng và giải đáp mọi thắc mắc từ A–

Airandspace.si.edu

The Smithsonian's National Air and Space Museum maintains the world's largest and most significant collection of aviation and space artifacts, encompassing all aspects of human flight. It operates two landmark facilities that, together, welcome more than eight million visitors a year.

Model, Dyna-soar X-20

Model, Dyna-soar X-20

This is a model of unknown scale of the X-20 Dyna-soar (Dynamic Soaring), the prototype for a single-piloted spaceplane.Read more

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