· x report · 2 min read
X Report 6 Dec 2025
SpaceX secures environmental approval for Starship launches at SLC-37 while Castelion, a company founded by SpaceX veterans, raises $350 million for hypersonic missile production.

🚀 Latest Developments
SpaceX has received environmental approval to conduct Starship launches at the SLC-37 site, marking a significant milestone in the rocket’s development. Meanwhile, Castelion, a startup founded by ex-SpaceX employees, has raised $350 million aimed at scaling hypersonic missile production, further demonstrating the competitive landscape of aerospace technologies.
📰 Detailed Coverage
SpaceX Receives Environmental Approval for Starship at SLC-37
After a thorough review process, SpaceX has secured environmental clearance for its proposed Starship launch operations at the SLC-37 launch site. This approval allows SpaceX to proceed with their ambitious plans for Starship mission schedules, which could significantly enhance their operational capabilities and frequency of launches on the East Coast.
This development is crucial not just for SpaceX but also for the evolving landscape of launch facilities in the U.S. With SpaceX’s innovation-driven approach, the approval may put additional pressure on competitors to expedite their development and environmental compliance processes.
Read the full story: NASA SpaceFlight
Castelion Raises $350 Million to Scale Hypersonic Missile Production
Castelion, a defense technology startup co-founded by SpaceX veterans, has successfully raised $350 million in funding aimed at enhancing its hypersonic missile production capabilities. This investment will enable the establishment of a state-of-the-art solid rocket motor manufacturing facility in New Mexico, marking a significant step in advancing hypersonic technologies.
With the defense sector increasingly focused on hypersonic capabilities, Castelion’s activity represents a growing trend of aerospace and technology convergence. The insights and expertise from former SpaceX engineers are likely to provide compelling advantages in an increasingly competitive arena.
Read the full story: SpaceNews
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