United States Department of Defense

The United States Department of Defense (DoD, USDOD or DOD) is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the government directly related to national security and the United States Armed Forces. The DoD is the largest employer in the world, with over 1.3 million active-duty service members as of 2020.

Pronunciation

United States Department of Defense: /juːˈnaɪ.tɪd ˈsteɪts dɪˈpɑːrt.mənt ɒv dɪˈfɛns/

Etymology

The term "Department of Defense" is derived from its mission to defend the United States and its interests. The term "United States" refers to the federal republic composed of 50 states, a federal district, and five territories.

Related Terms

United States Armed Forces: The military forces of the United States of America. It consists of the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard.
National Security: The security and defense of a nation state, including its citizens, economy, and institutions, which is regarded as a duty of government.
Federal Government of the United States: The national government of the United States, a federal republic in North America, composed of 50 states, a federal district, and five territories.

External links

Medical encyclopedia article on United States Department of Defense
Wikipedia's article - United States Department of Defense

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United States Department of Defense