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Four years of existence and already a billionaire! The United States firmly believes in this precursor of hypersonic missiles: Castelion

What happened

The US Navy has become Castelion's main military client, with a contract for the integration of the Blackbeard missile aboard the F/A-18 Super Hornet fighter.

Source

Article excerpt

Published on 08/21/2026 • Guillaume Aigron 08/21/2026 Guillaume Aigron News, International News, Weapons / Hunting, Industry A four-year-old startup, founded by SpaceX alumni, has just raised over one billion dollars to mass-produce hypersonic missiles. On August 19, 2026, the Californian company Castelion announced a Series C fundraising round exceeding one billion dollars (approximately 850 million euros), valuing it at 13 billion dollars (approximately 11 billion euros). This valuation marks the meeting between Silicon Valley's startup culture and the very closed world of American strategic weaponry and could allow the world's leading power to catch up in hypersonic weapons. Read also: Castelion was created in 2022 by former executives of SpaceX, Elon Musk's space firm. They brought back a conviction: the methods that allowed the cost of access to space to fall can be applied to hypersonic missiles. Where traditional prime contractors produce a few overpriced devices, almost by hand, Castelion wants to manufacture many, quickly and cheaply, on industrial production lines. For CEO and co-founder Bryon Hargis, deterrence relies on weapon systems that adversaries fear, produced in quantities they cannot imagine, at a price the taxpayer can afford. The company pushes vertical integration to the point of mixing its own propellant in its New Mexico factory. An approach that...

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Extracted from this sentence

The US Navy has established itself as its main military client, notably with a contract for the integration of the missile aboard the F/A-18 Super Hornet fighter.

Extracted by Autobound

From the Signal API record
Event
New customer

What this signalsA new customer often means more work to staff, deliver and support.

Product
Blackbeard

Companies

  • United States NavyClientnavy.mil

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The full record

From the Signal API record

Details

Release type
Missile

Topics and mentions

Product tags

  • general technology

Extraction

Confidence
90%
Detected
Aug 21, 2026
signal_type
news
signal_subtype
signs_new_client

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The API returns more than this page shows

This page shows a preview. The full news record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
Show the full JSONThe record on this page and the API request

GET /v1/signals/a53e63ef-7c26-de66-f5e6-f6abb00f7242 returns this record as JSON. POST /v1/companies/enrich returns every signal for castelion.com.

{
  "signal_id": "a53e63ef-7c26-de66-f5e6-f6abb00f7242",
  "signal_type": "news",
  "signal_subtype": "signs_new_client",
  "detected_at": "2026-08-21T08:46:38+00:00",
  "company": {
    "name": "Castelion",
    "domain": "castelion.com"
  },
  "data": {
    "url": "https://www.forum-militaire.fr/quatre-ans-dexistence-et-deja-milliardaire-les-etats-unis-croient-dur-comme-fer-dans-ce-precurseur-des-missiles-hypersoniques-castelion/",
    "title": "Four years of existence and already a billionaire! The United States firmly believes in this precursor of hypersonic missiles: Castelion - Military Forum",
    "excerpt": "Published on 08/21/2026 • Guillaume Aigron 08/21/2026 Guillaume Aigron News, International News, Weapons / Hunting, Industry A four-year-old startup, founded by SpaceX alumni, has just raised over one billion dollars to mass-produce hypersonic missiles. On August 19, 2026, the Californian company Castelion announced a Series C fundraising round exceeding one billion dollars (approximately 850 million euros), valuing it at 13 billion dollars (approximately 11 billion euros). This valuation marks the meeting between Silicon Valley's startup culture and the very closed world of American strategic weaponry and could allow the world's leading power to catch up in hypersonic weapons. Read also: Castelion was created in 2022 by former executives of SpaceX, Elon Musk's space firm. They brought back a conviction: the methods that allowed the cost of access to space to fall can be applied to hypersonic missiles. Where traditional prime contractors produce a few overpriced devices, almost by hand, Castelion wants to manufacture many, quickly and cheaply, on industrial production lines. For CEO and co-founder Bryon Hargis, deterrence relies on weapon systems that adversaries fear, produced in quantities they cannot imagine, at a price the taxpayer can afford. The company pushes vertical integration to the point of mixing its own propellant in its New Mexico factory. An approach that...",
    "product": "Blackbeard missile",
    "summary": "The US Navy has become Castelion's main military client, with a contract for the integration of the Blackbeard missile aboard the F/A-18 Super Hornet fighter.",
    "planning": false,
    "image_url": "https://www.forum-militaire.fr/wp-content/uploads/2026/08/Design-sans-titre-2026-08-21T104238.101.jpg",
    "confidence": 0.9,
    "product_data": {
      "name": "Blackbeard",
      "full_text": "Blackbeard missile",
      "fuzzy_match": false,
      "release_type": "missile"
    },
    "product_tags": [
      "general_technology"
    ],
    "published_at": "2026-08-21T08:46:38Z",
    "article_sentence": "The US Navy has established itself as its main military client, notably with a contract for the integration of the missile aboard the F/A-18 Super Hornet fighter.",
    "related_company_name": "United States Navy",
    "related_company_domain": "navy.mil"
  }
}

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