The United States Department of Defense, also referred to as the Department of War, is an executive department of the United States federal government charged with coordinating and supervising the Uni
An aerial view of the Pentagon
President Truman signs the National Security Act Amendment of 1949
A December 2013 Department of Defense organizational chart
Joint Chiefs of Staff and Joint Staff organizational chart
The military budget of the United States is the largest portion of the discretionary federal budget allocated to the Department of Defense, or more broadly, the portion of the budget that goes to any
US 2010 military budget spending
Appropriated 2016 budget and proposed 2017 budget
Anti-war protest in Washington, D.C., 20 March 2010