The Pentagon has designated AI company Anthropic as a supply chain risk effective immediately, intensifying tensions following accusations of national security threats related to its chatbot, Claude. CEO Dario Amodei plans to challenge this action legally, asserting it's "not legally sound." Lockheed Martin will comply with the directive to seek alternatives. Criticism emerges from senators and former officials, warning this sets a troubling precedent against domestic innovation and could impact U.S. military capabilities.