DoD (Department of Defense, USA)

The Department of Defense (DoD) is a U.S. government agency responsible for overseeing the nation's military forces, including the Army, Navy, Air Force, Marine Corps, and Space Force. Its primary mission is to protect the country’s security and interests through defense operations, strategic planning, and maintaining military readiness. The DoD manages a vast budget, develops military technology, and coordinates international defense alliances. Essentially, it acts as the government’s leading organization for defending the United States and its allies against threats and ensuring national security.