The Pentagon says it has reached deals with seven AI companies -- SpaceX, OpenAI, Google, Nvidia, Reflection AI, Microsoft, and AWS -- to deploy their tools on classified Defense Department networks. The odd one out is Anthropic, which remains excluded after being labeled a supply-chain risk amid a dispute over military-use guardrails. Reuters reports: SpaceX, OpenAI, Google, Nvidia, Reflection, Microsoft, and Amazon Web Services (AWS), several of which already work with the Pentagon, will be integrated into its secret and top-secret network environments, providing more military access to their products for use on sensitive topics, the Pentagon said in a statement . The lesser-known Reflection AI, which raised $2 billion in October, is backed by 1789 Capital, a venture capital firm in which Donald Trump Jr. is a partner and investor.…