United States Department of Defense

The United States Department of Defense (DoD) is a federal agency responsible for coordinating the country's military activities. It oversees the Army, Navy, Air Force, and Marine Corps, ensuring national security and defense against threats. The DoD develops military strategies, conducts operations, and manages defense resources. It also engages in humanitarian efforts and international partnerships. Headquartered at the Pentagon, the DoD plays a critical role in policy-making and maintaining the readiness and effectiveness of the U.S. armed forces to protect the nation and its interests both domestically and abroad.