Castelion raises $350 million to scale hypersonic missile production Astrobitica December 5, 2025 (Last updated: December 5, 2025) 1 minute read The company founded by SpaceX veterans is opening a solid rocket motor manufacturing campus in New Mexico The post Castelion raises $350 million to scale hypersonic missile production appeared first on SpaceNews. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: NASA’s next-gen Roman Space Telescope is fully built. Could it launch earlier than expected?Next: 3 astronauts settle into their new life in orbit | On the International Space Station this week Dec. 1-5, 2025