Dario Amodei is leading a legal challenge against the US government after the Pentagon designated Anthropic as a national security supply chain risk.Judge Rita Lin criticized the Department of Defense for applying the unprecedented label following the refusal of the startup to allow its Claude technology for autonomous lethal warfare.The San Francisco hearing also addressed a directive from Donald Trump that barred federal employees and contractors from using any technology developed by the company.Microsoft filed a brief supporting the artificial intelligence firm as it risks losing billions in business and faces claims that the government is retaliating against its safety stances.