Department of Defense (2024)

FAQs

What does the Department of Defense do? ›

The Department of Defense is responsible for providing the military forces needed to deter war and protect the security of our country. The major elements of these forces are the Army, Navy, Marine Corps, and Air Force, consisting of about 1.3 million men and women on active duty.

For further information concerning the Department of Defense, contact the Director, Directorate for Public Inquiry and Analysis, Office of the Assistant Secretary of Defense for Public Affairs, 1400 Defense Pentagon, Washington, DC 20301-1400. Phone, 703- 697-9312.

The FBI is an intelligence-driven and threat-focused national security organization with both intelligence and law enforcement responsibilities. It is the principal investigative arm of the U.S. Department of Justice and a full member of the U.S. Intelligence Community.

The mission of the U.S. Department of Defense (DOD) is to provide the military forces needed to deter war and to protect the security of the United States. DOD also houses the Central Intelligence Agency (CIA) and the National Guard .

If you get a call or message like this, hang up or ignore it. It's a scammer. Government agencies will never call, email, text, or message you on social media to ask for money or personal information. Only a scammer will do that.

The Secretary of Defense is the principal defense policy advisor to the President. Under the direction of the President, the Secretary exercises authority, direction, and control over the DoD.

The Department of Defense (DOD) provides the military forces needed to deter war, and to protect the security of the United States.

The Army, as one of the three military departments (Army, Navy and Air Force) reporting to the Department of Defense, is composed of two distinct and equally important components: the active component and the reserve components.

Who controls the U.S. military? ›

As commander in chief of the U.S. Armed Forces, the president has broad authority to make decisions that affect the military branches, especially during wartime, including determining troop movements and developing strategies for combat.

The Department engages in Warfighting, Humanitarian Aid, Peacekeeping, Disaster Relief and Homeland Security, while simultaneously performing functions necessary to effectively and efficiently support our Soldiers, Sailors, Airmen and Marines and their families.

The Department of Defense is America's largest government agency. With our military tracing its roots back to pre-Revolutionary times, the department has grown and evolved with our nation. Our mission is to provide the military forces needed to deter war and ensure our nation's security.

The Department of National Defense (DND) is tasked to guard the country against external and internal threats to national peace and security, and to provide support for social and economic development.

The DCIS protects America's Warfighters by investigating terrorism; preventing the illegal transfer of sensitive defense technologies to proscribed nations and criminal elements; investigating companies that use defective parts in weapons systems and equipment utilized by the military; stopping cyber crimes and ...