Artist's concept of the Deep Space Vehicle mated with an ?

For even longer missions the Deep Space Vehicle (DSV) could be mated with an Extended Stay Module (ESM). The ESM would offer additional life support and accommodations for a crew of three or four for deep space missions lasting 90 days or longer

Aerospace Alternative Arrays Astronautical Astronautics Capsule Cells Constellation Destiny Extended Module Modules Nasa Orbit Panels Photovoltaic Solar Spacecraft Spaceflight Stay

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