Department of Defense Directive 5100.01

Department of Defense Directive 5100.01 establishes the organization and responsibilities of the U.S. Department of Defense (DoD). It outlines the roles of various military branches and defense agencies, ensuring coordination and effective functioning in national security efforts. This directive emphasizes the importance of unified operations and clear communication among different components of the DoD, helping to support the country's defense policies and strategies. Essentially, it provides a framework for how the DoD is structured and operates to protect the nation and respond to security challenges.