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The first real project of NASA spacecraft.

The lack of funds or goals did not stop some of NASA's dream big. Two engineers Johnson Spaceflight Center, and Edward Henderson Mark Holderman, have designed a new type of spacecraft, called the Nautilus X MMSEV.

Nautilus X MMSEV NASA is an acronym which stands for Universal Non-Atmospheric Transport Intended for lengthy United States X-ploration Multi-Mission Space Exploration Vehicle.

The Nautilus X would be able to hold a crew of six members for missions of up to two years in duration ... Read more.