马斯克“越过红线”，美政府急寻SpaceX替代品

Core Viewpoint - The relationship between President Trump and billionaire Elon Musk has soured, leading to threats regarding SpaceX's government contracts and the potential retirement of the Dragon spacecraft, raising concerns within NASA and the Pentagon about reliance on SpaceX for critical missions [1][2][4]. Group 1: Government Dependence on SpaceX - The U.S. government heavily relies on SpaceX for key tasks, including transporting personnel and cargo to the International Space Station (ISS) and launching sensitive satellites for the Pentagon, with contracts worth billions of dollars [2][9]. - NASA and the Pentagon officials have contacted at least three commercial space companies to expedite the development of alternative spacecraft and rockets due to concerns over SpaceX's reliability [5][6]. - The potential retirement of the Dragon spacecraft would hinder NASA's ability to send astronauts to the ISS, which has caused alarm among government officials [1][4]. Group 2: Reactions from NASA and the Pentagon - NASA officials expressed serious concerns after Musk's threats, indicating that such impulsive behavior poses a risk given the agency's reliance on SpaceX [4][6]. - The Pentagon's reaction mirrored NASA's, with officials realizing the gravity of the situation and acknowledging that it is not merely a matter of entertainment [4][6]. - A former NASA official highlighted that Musk's threats crossed a line, emphasizing the dangers of depending on a single individual for critical space operations [4][6]. Group 3: Alternative Solutions and Industry Response - Companies like Sierra Space, Rocket Lab, Stoke Space, and Blue Origin have been contacted by government officials to assess their readiness to support government missions [5][6]. - Sierra Space's CEO stated that the company is prepared to provide uninterrupted support to the ISS and is working closely with NASA to diversify its supply options [5]. - The development of Boeing's Starliner spacecraft has faced significant delays, raising questions about its readiness to support NASA's astronaut transport needs [6][9]. Group 4: Broader Implications for National Security - The situation has raised alarms within Congress regarding the implications of Musk's threats on national security, particularly concerning the reliability of SpaceX in defense-related missions [6][7]. - Experts have warned that terminating contracts with SpaceX could lead to significant disruptions in critical government functions, especially for the Pentagon and NASA [9][10]. - The U.S. military is actively seeking to reduce dependence on a single supplier in the aerospace sector to foster competition and innovation [9].