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user-inactivated  ·  2969 days ago  ·  link  ·    ·  parent  ·  post: SpaceX Interplanetary Transport System

Why bother with refueling? Why not just dock a propulsion module? You save the weight of the return features, and you can leave it in martian orbit and use it to refuel there for a return.

But yea, interesting plan. I need to go play Kerbal some more.