The White House's National Security Memorandum establishes comprehensive AI governance frameworks for military and intelligence purposes, requiring AISI testing of frontier AI models for cybersecurity, biological/chemical weapons, and nuclear threats while mandating classified evaluations and agency risk management practices. This landmark presidential directive creates the 'Framework to Advance AI Governance and Risk Management in National Security' as a counterpart to OMB civilian guidance while requiring DOD, DHS, and intelligence agencies to develop capabilities for rapid systematic AI testing. This authoritative government policy document demonstrates the Biden administration's strategic approach to balancing AI innovation with national security protection through systematic threat assessment, classified information safeguards, and interagency coordination mechanisms.