A SpaceX Crew Dragon capsule approaches the International Space Station in 2022. (NASA via AP)

By Christian Davenport

Elon Musk’s threat to cut off NASA’s use of SpaceX’s Dragon spacecraft would be a huge blow to NASA, depriving the space agency of the only American vehicle capable of transporting astronauts to the International Space Station and dramatically changing how NASA would access the $100 billion orbiting laboratory.

The threat, posted on X, came during an escalating fight between President Donald Trump and the wealthiest man in the world, after Trump had threatened to cancel all of Musk’s company’s federal contracts. Given SpaceX’s importance to multiple federal programs, severing those relationships could leave NASA as well as the Pentagon and intelligence agencies in a lurc

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