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@Castelion • 6,437 subscribers

Forging the future of hypersonic strike weapons through Modern Defense Production

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A look at the nation’s first low-cost, mass-produced hypersonic weapon. Blackbeard. Made in America. Built to Deter.

A look at the nation’s first low-cost, mass-produced hypersonic weapon. Blackbeard. Made in America. Built to Deter.

33,665 views • 2 months ago

Colors raised. Tonight, AFA.

Colors raised. Tonight, AFA.

15,120 views • 1 month ago

Last week, Secretary of War Pete Hegseth visited Castelion as part of his Arsenal of Freedom tour. The visit reinforced that speed and scale aren't future capabilities; they're requirements now.

Last week, Secretary of War Pete Hegseth visited Castelion as part of his Arsenal of Freedom tour. The visit reinforced that speed and scale aren't future capabilities; they're requirements now.

41,710 views • 9 months ago

Looking back at Castelion's most important 2025 test flight on our path to deliver credible deterrence. Thanks to Saronic for providing autonomous shipborne telemetry support that enabled critical data capture. We're gearing up for an even more demanding flight-test schedule in 2026.

Looking back at Castelion's most important 2025 test flight on our path to deliver credible deterrence. Thanks to Saronic for providing autonomous shipborne telemetry support that enabled critical data capture. We're gearing up for an even more demanding flight-test schedule in 2026.

37,890 views • 8 months ago

Three test launches in ten days. Speed wins. At Castelion, fast test cadence isn't a milestone—it’s the method. Rapid iteration drives reliability, affordability, and real capability. Fly often. Learn fast. Build what matters.

Three test launches in ten days. Speed wins. At Castelion, fast test cadence isn't a milestone—it’s the method. Rapid iteration drives reliability, affordability, and real capability. Fly often. Learn fast. Build what matters.

41,733 views • 1 year ago

Blackbeard is coming 🏴‍☠️

Blackbeard is coming 🏴‍☠️

19,061 views • 6 months ago

Affordable, mass produced, long-range hypersonic weapons are essential to deterring future conflicts. Today, Castelion is one step closer to addressing this critical national need with the announcement of a $100M financing round with Lightspeed, a16z, and Lavrock Ventures

Affordable, mass produced, long-range hypersonic weapons are essential to deterring future conflicts. Today, Castelion is one step closer to addressing this critical national need with the announcement of a $100M financing round with Lightspeed, a16z, and Lavrock Ventures

35,730 views • 1 year ago

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