NASA Design reference missions (1990s) (16 agos 1981 año – 3 dic 1999 año)

Descripción:

In the 1990s NASA developed several conceptual level human Mars exploration architectures.
NASA Design reference mission 3.0 (DRM 3.0): a study performed by the NASA Mars Exploration Team at the NASA's Johnson Space Center (JSC) in the 1990s.

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