The Commemorative Flags Blog

The Department of Defense Seal The United States Department of Defense Seal   The U.S. Department of Defense, or DoD, is a cabinet-level executive branch department responsible for coordinating and supervising all functions of the U.S. Armed Forces. This includes the Army, Navy, Marine Corps, Air Force, and Space Force, as well as the Coast Guard when operating under DoD authority during wartime or by presidential order.   Originally established by Congress as the War Departm