No. of Recommendations: 1
Putting astronauts in deep sleep is essentially a cost-reduction measure. For starters, individuals participating in the Mars mission will fed intravenously. They won't be moving around so smaller ships can be employed, with fewer amenities to match. These translate to an overall drop in the number of supplies needed to get a crew to Mars and because NASA cuts back on what it needs, it can save on costs.

I'm thinking there might be an overall drop in the numbers of volunteer astronauts also.
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