SpaceX has recently shown us the complexity of thrust propulsion VTOL --> NASA not only has [i]accomplished[/i] this for decades sight unseen, but has adjoined levitating a winching crane --> nothing to the likes ever demonstrated on Earth. (O.o)>
https://i.postimg.cc/3xktq7DX/rovermars.jpg


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2021-02-19 05:08:05