September 29 2017 7:53am

Elon Musk shrinks SpaceX Mars rocket to cut costs, remains bullish on 2022 mission

Elon Musk’s SpaceX company has shrunk the size of the rocket ship it is developing to go to Mars, with plans to make its first cargo-only trip to the red planet in 2022, followed by a manned mission in 2024.

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