Explore relationships

Department of Defense

Executive department of the federal governmentThe United States Department of Defense (DoD), also referred to as the Department of War (DoW), is an executive department of the United States federal government charged with coordinating and supervising the United States Armed Forces—the Army, Navy, Marines, Air Force, Space Force, and, for some purposes, the Coast Guard—and related functions and agencies.

Use + to expand a branch. Click a topic name to open its summary.