--- title: Judge Blocks Pentagon Anthropic Ban, Calls It 'Orwellian' description: A federal judge blocked the Pentagon from blacklisting Anthropic, ruling the supply chain risk designation was First Amendment retaliation. author: Darie Nani (Editor-in-Chief) date: 2026-03-27T16:32:39.575Z updated: 2026-04-22T12:25:39.450Z canonical: https://www.sovereignmagazine.com/article/judge-blocks-pentagon-anthropic-ban image: https://cdn.nanimediahouse.com/anthropic-dario-amodei-pentagon-ruling.webp categories: Artificial Intelligence, Politics content_type: News region: United States publication: Sovereign Magazine about: - type: Organization name: Anthropic --- A federal judge in San Francisco has blocked the Pentagon from designating Anthropic a supply chain risk, ruling that the move was "classic illegal First Amendment retaliation" against the AI company for publicly refusing to remove safety restrictions on military use of its Claude model. US District Judge Rita F. Lin issued a 43-page preliminary injunction on Thursday, barring the Trump administration from implementing, applying, or enforcing the directive. The ruling arrives one month after [Defense Secretary Pete Hegseth threatened to blacklist Anthropic over its AI guardrails](/article/pentagon-threatens-to-blacklist-anthropic-over-ai-guardrails). Lin delayed the injunction by one week to allow the government to appeal. ## The Pentagon's own records The most damaging material for the government came from its own files. Internal Department of Defense documents revealed that Anthropic was designated a supply chain risk because of its "hostile manner through the press," not because of any identified security threat. "Nothing in the governing statute supports the Orwellian notion that an American company may be branded a potential adversary and saboteur of the U.S. for expressing disagreement with the government," Lin wrote. She was equally direct about the government's intentions. "These broad measures do not appear to be directed at the government's stated national security interests. If the concern is the integrity of the operational chain of command, the Department of War could just stop using Claude. Instead, these measures appear designed to punish Anthropic." Lin used the term "Department of War" throughout the ruling. No act of Congress has renamed the Department of Defense. An executive order authorized "Department of War" and "Secretary of War" as secondary titles for non-statutory communications. The bill to make it official has not passed. The legal names remain the Department of Defense and the Secretary of Defense. It is, effectively, a self-assigned nickname, and nothing gives off more loser energy than picking your own tough-guy nickname. But that is a story for another time. At Tuesday's hearing, two days before issuing the decision, Lin pressed the government about its "attempt to cripple" Anthropic. ## The first American company The supply chain risk designation has historically been reserved for foreign adversaries, foreign intelligence agencies, and terrorist organizations. Anthropic is the first American company to publicly receive it. If the designation had been upheld, every defense contractor, from Lockheed Martin and Raytheon to Palantir and Amazon, would have been required to certify that none of their products or systems use Anthropic technology. The effect would have reached far beyond the Pentagon's own $200 million contract with the company, signed in July 2025. Anthropic told the court the designation jeopardized hundreds of millions of dollars in additional contracts, and that business partners had already begun pulling back. Through its partnership with [Palantir](https://www.sovereignmagazine.com/article/palantir-nhs-contract-karp-manifesto), Anthropic is currently the only AI company deployed on the classified networks used for the Pentagon's most sensitive intelligence operations. Claude's large context window can process intercepted communications, metadata, and financial records at speeds that individual analysts cannot match. That capability is what Anthropic wants contractual limits on. The company has two stated red lines: it will not allow Claude to be used for mass surveillance of Americans, and it will not allow its use in fully autonomous weapons systems. It has said it is willing to negotiate on everything else. The same week Hegseth summoned Amodei, Elon Musk's xAI signed a deal to deploy Grok on classified military systems and agreed to the "all lawful use" standard without conditions. The Pentagon (or more accurate, Pete Hegseth) demanded that Anthropic make Claude available for "all lawful purposes" without restriction. Hegseth's January 2026 AI strategy document requires all military AI contracts to eliminate company-imposed guardrails within 180 days. ## The government's response The government is expected to appeal. Its initial public response did not engage with any of the ruling's legal reasoning. Michael Kozak, writing on X, claimed the ruling contained "dozens of factual errors in the 42-page judgment rushed out in 48 hours DURING A TIME OF CONFLICT that seeks to upend the @POTUS role as Commander in Chief." The ruling is 43 pages, not 42. Kozak did not identify a single one of the alleged errors. This follows a now-familiar pattern from the administration: broad claims of inaccuracy, delivered in all caps, with no specifics attached. The approach treats volume as a substitute for rebuttal. Lin's ruling, by contrast, cited the Pentagon's own internal records, named the statutes it violated, and quoted the department's own language back to it across 43 pages of legal analysis. The government's response was a post on X. Pentagon spokesman Sean Parnell added: "Our nation requires that our partners be willing to help our warfighters win in any fight." The court did not question whether the military should win fights. It found that the Pentagon punished a company for speaking publicly. A parallel case is ongoing in the DC Court of Appeals. A final verdict in either case could take months. Anthropic said it was pleased with the ruling. ## The same Thursday, a different kind of exposure Hours after the ruling, [Fortune reported](https://fortune.com/2026/03/26/anthropic-leaked-unreleased-model-exclusive-event-security-issues-cybersecurity-unsecured-data-store/) that Anthropic had left nearly 3,000 unpublished assets in a publicly accessible content management system. Among them were details of [an unreleased AI model called Claude Mythos](https://www.sovereignmagazine.com/article/claude-mythos-anthropic-new-model). A draft blog post describing the model, discovered independently by researchers at LayerX Security and the University of Cambridge, called Mythos "a step change" in AI performance and "the most capable we've built to date." The post also stated that Anthropic believes the model poses "unprecedented cybersecurity risks." An Anthropic spokesperson confirmed the model is being tested with early access customers. The CMS did not require authentication to access unpublished content. Anyone with technical knowledge could query the system and retrieve draft pages, internal images, and documents. Anthropic secured the data after Fortune made contact on Thursday evening. The timing was difficult to ignore. On the same day a federal judge affirmed Anthropic's right to impose safety guardrails on the world's most powerful military, the company's own content infrastructure was sitting wide open. ## And by Friday morning, an IPO [Bloomberg reported on Friday](https://www.bloomberg.com/news/articles/2026-03-27/claude-ai-maker-anthropic-said-to-weigh-ipo-as-soon-as-october) that Anthropic is weighing an initial public offering as early as October 2026. The company's February Series G round valued it at $380 billion on $14 billion in annual revenue. ## FAQ **Q: Why did the Pentagon try to ban Anthropic?** The Pentagon sought to designate Anthropic a supply chain risk after CEO Dario Amodei refused to remove all safety restrictions on military use of Claude. Anthropic has two stated red lines: it will not allow Claude to be used for mass surveillance of Americans or for fully autonomous weapons. The Pentagon demanded the model be available for "all lawful purposes" without restriction. **Q: Did Anthropic win the lawsuit?** Anthropic won a preliminary injunction on March 26, 2026. US District Judge Rita F. Lin blocked the Pentagon from enforcing the supply chain risk designation, calling it "classic illegal First Amendment retaliation." The government has one week to appeal, and a parallel case is ongoing in the DC Court of Appeals. A final verdict could take months. **Q: What is a supply chain risk designation?** A supply chain risk designation labels a company's technology as a threat to US national security. It has historically been reserved for foreign adversaries, intelligence agencies, and terrorist organizations. Anthropic is the first American company to publicly receive the designation. If enforced, it would require every defense contractor to certify it does not use the designated company's products. **Q: Is Anthropic going public?** Bloomberg reported on March 27, 2026, that Anthropic is considering an initial public offering as early as October 2026. The company's February 2026 Series G round valued it at $380 billion, with annual revenue of $14 billion. The Pentagon lawsuit and an unrelated data security incident may complicate the IPO timeline. **Q: What is Claude Mythos?** Claude Mythos is an unreleased AI model from Anthropic that was exposed through an unsecured content management system on March 26, 2026. A draft blog post described it as "a step change" in AI performance and "the most capable" model Anthropic has built. Researchers at LayerX Security and the University of Cambridge independently discovered the material. Anthropic confirmed Mythos is being tested with early access customers but has not announced a release date.