theusdepartmentofwar – The United States Department of Defense (DoD),[4] also referred to as the Department of War (DoW),[a] 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. Headquartered at the Pentagon in Arlington County, Virginia, just outside Washington, D.C., the stated mission of the Department of Defense is "to provide the military forces needed to deter war and ensure our nation's security".

WE FIGHT

The Department continues to build the most powerful force on the planet. Now is the time to earn the opportunity to fight for the American cause.

WE FIGHT

The Department continues to build the most powerful force on the planet. Now is the time to earn the opportunity to fight for the American cause.

Medal of Honor recipient bids farewell to the ‘Out Front’ Squadron

FEATURED PHOTO

SPOTLIGHT

Be All You Can Be

SPOTLIGHT

Heroes of the U.S. Army

SPOTLIGHT

Ranks

Newsroom: Resources for journalists and media outlets

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OFFICIAL ANNOUNCEMENTS

Operation-Epic-Fury

On Feb. 28, 2026, the U.S. military commenced Operation Epic Fury under the direction and direct orders of the president of the United States. U.S. and partner forces are striking targets to dismantle the Iranian regime’s security apparatus, prioritizing locations that pose an imminent threat.

We Prepare, You Should To.

Service members train and prepare year-round so when disasters strike, troops are ready to help those in harm’s way. Learn how you can prepare, too.

Add Your America’s Nuclear Triad

The triad, along with assigned forces, provide 24/7 deterrence to prevent catastrophic actions from our adversaries and they stand ready, if necessary, to deliver a decisive response, anywhere, anytime.Heading Text Here

Heart of the Matter: Take This Quiz on America’s Oldest Medal

From Revolutionary War battlefields to today’s frontlines, the Purple Heart has served as a recognition of sacrifice and heroism. How well do you know the history behind America’s oldest military medal

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