The United States Department of Defense (DoD) is a federal department which deals with coordinating and supervising all agencies directly involved with national security and military affairs. The DoD is one of the largest tenants at The Pentagon and is made of three chief sub-departments, the Department of the Army, the Department of the Navy and the Department of the Air Force. Alternative DOD departments include the National Geospatial-Intelligence Agency (NGA), the Missile Defense Agency, the Defense Advanced Research Projects … Continue reading →