• A federal appeals court has rejected Anthropic's challenge to the Pentagon's labeling of it as a supply chain risk.
• The decision allows the Pentagon to remove Anthropic's Claude models from its systems.
• The dispute began in February when President Donald Trump and Defense Secretary Pete Hegseth accused Anthropic of endangering national security.
• Anthropic CEO Dario Amodei refused to back down.

This ruling may indicate the US government's growing concern about AI security risks and its willingness to take action against companies deemed a threat. The decision could have implications for the use of AI in defense systems and may set a precedent for future cases involving supply chain risks.