Castelion
Castelion
Defense startup mass-producing affordable hypersonic missile systems for the U.S. military, founded by ex-SpaceX engineers.
About
Castelion designs, tests, and manufactures next-generation military systems at massive scale to deter future wars. They build hardware optimized for cost, manufacturability, and rapid deployment, focusing on affordable hypersonic weapons. Castelion serves national security needs by preserving peace through credible, non-nuclear deterrence. Teams look it up for Defense, Hypersonic, Missiles.
Strength of the site’s backlink profile, on Ahrefs’ 0-100 Domain Rating scale. Licensed third-party data, not our opinion.
How well an AI agent can read and use this site: structured data, clean markup, and whether key facts are reachable without running JavaScript. We scan the live site.
Google PageSpeed mobile performance for the company’s own site. Measured by Google, not by us.
“Blackbeard Hypersonic Missile From Startup Castelion Gets Multi-Year Procurement Plan as U.S. Navy's Primary System, 43kg Warhead Raises Questions.”
View on Reddit“Hypersonic weapon startup Castelion wins $105 million Navy contract for F/A-18 integration. Is the US Navy jumping the gun in pursuing carrier based hypersonics while there's still no tried and true defences against land based, antiship hyp…”
View on Reddit“Hypersonic weapon startup Castelion wins $105 million Navy contract for F/A-18 integration. Castelion, a small California defense startup, has won a $105 million U.S. Navy contract to ready its Blackbeard hypersonic missile for use aboard…”
View on Reddit“The Project: Castelion plans to build a hypersonic missile assembly plant just 2.8 miles from our community, Northern Meadows. The Core Issue: While the company has stated they will not be launching missiles from this site, the facility wil…”
View on Reddit“The job numbers. It started at 1,000 employees. Now recently, it is down to 300 employees. Guess by when? 5 years after start up which means they won't reach the 300 level for another six years. You know how many jobs they plan to have at t…”
View on Reddit“The job numbers. It started at 1,000 employees. Now recently, it is down to 300 employees. Guess by when? 5 years after start up which means they won't reach the 300 level for another six years. You know how many jobs they plan to have at t…”
View on RedditSome comments are pulled from public discussions around the web (look for the source icon). Quotes are excerpts; click through to read the full thread.
