Which institution issues directives and regulations regarding national security policy?

The Executive Branch is responsible for issuing directives and regulations regarding national security policy. This branch is headed by the President, who has the authority to shape and implement national security strategy, making decisions regarding the country's defense and foreign affairs. The Executive Branch encompasses various departments and agencies, including the Department of Defense and the National Security Council, which play critical roles in crafting and executing policies related to national security.

These agencies and their respective leaders utilize executive orders, directives, and regulations to operationalize national security policy, ensuring that there is a clear framework for how the nation protects its interests. The President's unique position allows for direct influence and swift action in response to national security challenges, distinguishing the Executive Branch from other branches of government, which have different roles and functions.

While other branches, such as the Legislative and Judicial branches, may contribute to discussions about national security, they do not possess the same operational authority or direct management of national security policy as the Executive Branch. Federal agencies also implement policies but are part of the Executive Branch structure itself. Thus, the Executive Branch is designated as the main authority over national security directives and regulations.