Observing the Future of Spaceflight
Apollo 11 commander Neil Armstrong and Apollo 17 commander Gene Cernan toured one of the Altair mock-ups at NASA's Johnson Space Center on Dec. 9, 2008. The Altair lunar lander will take human beings to the surface of the moon for the first time since Apollo and is part of NASA's Constellation Program.
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https://www.nasa.gov/image-detail/observing-future-of-spaceflight/
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