The U.S. Department of Defense signed classified-network AI agreements with SpaceX/xAI, OpenAI, Google, Microsoft, Nvidia, Amazon Web Services, Oracle, and Reflection, authorizing deployment on Impact Level 6 (secret) and IL-7 (top-secret) networks. Anthropic was excluded after it declined to remove safety guardrails covering autonomous weapons and mass-surveillance use cases, and the Trump administration formally severed ties with the company.