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> However, once Starship is crew-rated for launch and re-entry, the number of possible crew is going to increase – I don't know what the limit is, but at least

• skissane 6y ago
  That's for Crew Starship. The HLS Starship has a different design and may have less crew capacity. 10-20 is just a guess on my part, I don't know what the actual crew capacity is. But I expect SpaceX to trade-off a lower crew capacity for a bigger cargo capacity, since (at least initially) NASA is going to have a much greater need for cargo to the lunar surface than for crew to the lunar surface. Also, Musk talks now about a 100 person capacity for Crew Starship, it probably will shrink as the design progresses. The same thing happened to Dragon – it went from 7 seats down to 4 – NASA safety requirements had some role in that, but the same thing might have happened even without NASA. I think the crew capacity will also depend on the length of the trip. A trip to Mars needs a lot more supplies than a trip to the Moon, and the more supplies you need to take with you, the fewer people you can fit on the ship. This is not supplies for the destination, it is supplies for the journey – a 6 month journey requires 6 months worth of supplies; you can always send separate cargo ships to the destination for supplies you need after you get there. (Unless, you could dock with a cargo ship mid-journey and transfer more supplies over – that would be possible in principle, but probably more complexity than it is worth in practice.)