Elon Musk, the CEO of SpaceX, went on a pointed tirade against NASA’s acting administrator Sean Duffy following his announcement that it would open its Artemis III moon lander contract to competitors of SpaceX. Musk criticized Duffy’s qualifications and questioned his understanding of space programs in a series of social media posts on X (formerly Twitter) and by reposting user comments.

Musk questions Duffy’s intelligence

Musk mocked Duffy’s abilities, asking followers in a poll: "Should someone whose biggest claim to fame is climbing trees be running America’s space program?"

He further criticized Duffy directly: "Having a NASA Administrator who knows literally ZERO about rockets & spacecraft undermines the American space program and endangers our astronauts."

In another post, Mus

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