Official website is the official website of the US Department of Defense. The mission of this website is to provide timely and accurate official information about US national defense policies, organizations, functions, tasks and actions. The service targets include American soldiers, civilian personnel of the Ministry of National Defense, military families, the American public, the US Congress and the news media. At the same time, the website is also a portal and navigation station to enter the US military information network and obtain relevant information.
The center of the U.S. Department of Defense is the Pentagon, which consists of six entities, namely, the Office of the Secretary of Defense, the military department, the Joint Chiefs of Staff, the United Operations Command, the defense agencies and the field activities of the defense departments.