U.S. appeals court upholds Pentagon designation of Anthropic as supply chain risk

A U.S. federal appeals court upheld the Pentagon's designation of AI company Anthropic as a supply chain risk, barring its AI models from use by the U.S. military and defense contractors. The ruling affirms national security concerns driving exclusion of Anthropic's Claude models from Department of Defense systems.

This Wire brief sits within Fusion42's coverage of AI Frontier Models, and 16 sources have reported it between 25 Sep 2026 and 28 Sep 2026.