What are you doing for Galactic Cosmic Ray (GCR) shielding and providing a ‘safe place’ for the crew?

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The NASA DRA 5.0 architecture design does not include a dedicated storm shelter or any parasitic radiation protection shielding for the crew. To enable a direct comparison of the torpor-system, we have made similar assumptions with our baseline design.

However, with the significant mass savings we are obtaining, we have the system mass margin to now include additional shielding for the crew. Not only can we add additional shielding, we only have to protect a smaller volume inhabited by the crew. Thus, we can increase safety and wellness for the crew and still reduce the IMLEO for the architecture.