Elon Musk: “I think the soonest [man sets foot on Mars] would be 29.”

“Let me start with a question. You know a lot about what year does man first set foot on Mars? I think the soonest [man sets foot on Mars] would be 29. 29? Yes. And I don't think it's more than two to four years beyond that. And that's not an unmanned, that's a human being putting his foot on the surface.” (00:57–01:02)

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