At a news briefing on Friday, NASA administrator Jared Isaacman described a vast overhaul to the moon-to-Mars program. The changes scrap the Artemis III lunar landing and instead make it a flight in low-Earth orbit for a crew to practice meeting up with either the SpaceX or Blue Origin-built lunar landers — or, perhaps, both.
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Despite the physical and emotional demands of the job, McKenzie says nothing beats the incredible experiences he's had - as well as the satisfaction of contributing to environmental research.
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