What demonstrates the dual benefit of NASA's long-term space development, connecting it back to its founding mandate?

Answer

Developing closed-loop life support systems for deep space that inform sustainable living on Earth.

Technologies developed for long-duration deep-space transit, like advanced life support or radiation shielding, generate terrestrial knowledge that can inform sustainable living environments on Earth.

What demonstrates the dual benefit of NASA's long-term space development, connecting it back to its founding mandate?
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