The Defense Secretary is a high-ranking official in the government responsible for overseeing the nation's military and defense policies. This position is crucial for ensuring national security and managing the armed forces, including the Army, Navy, and Air Force. The Defense Secretary advises the President on military matters and works with other government officials to develop defense strategies. In the United States, the Defense Secretary is a member of the Cabinet and is appointed by the President. This role involves coordinating with international allies and addressing issues related to military readiness, budget allocation, and personnel management within the Department of Defense.