与特朗普公开闹掰，马斯克称SpaceX应将退役Dragon飞船

Core Viewpoint - Elon Musk announced the termination of SpaceX's Dragon spacecraft operations for transporting cargo and personnel to the International Space Station (ISS), escalating a dispute with President Trump over tax legislation [1]. Group 1: SpaceX and Dragon Spacecraft - The Dragon spacecraft is SpaceX's primary vehicle for sending astronauts and cargo into orbit, under a multi-billion dollar contract with NASA [1]. - SpaceX has conducted six private astronaut missions using the Dragon spacecraft, which are separate from its NASA missions [1]. - SpaceX is scheduled to conduct another private astronaut mission around June 10, in collaboration with Axiom Space, sending four civilians to the ISS [2]. Group 2: NASA's Dependency and Alternatives - NASA relies on the Dragon spacecraft as the only operational vehicle for sending astronauts to the ISS, while also depending on Russia's Soyuz spacecraft for regular crew transport [2]. - NASA has another potential option with Boeing's Starliner, which has not yet received crewed flight certification due to issues during a 2024 test flight [2]. - NASA's reliance on SpaceX for astronaut transport has increased due to Starliner's engine failures, leading to the transfer of missions back to SpaceX [2]. Group 3: Future Plans and Developments - SpaceX has a contract with NASA to develop a spacecraft similar to Dragon, intended for deorbiting the ISS, though specific progress on this project is currently unclear [3].