The Department of Defense is America's largest government agency. Our mission is to provide the military forces needed to deter war and ensure our nation's security.

Learn about DOD's rich history and innovations. The Pentagon, with its iconic design, is the headquarters of the Department of Defense. Find out more about DOD's mission and...

The Pentagon is the headquarters building of the United States Department of Defense, in Arlington County, Virginia, across the Potomac River from Washington, D.C. The building was …

Headquartered at the Pentagon in Arlington County, Virginia, just outside Washington, D.C., the Department of Defense's stated mission is "to provide the military forces needed to deter war …

To take a guided tour of the Pentagon, you must make a reservation using the Pentagon Tour Reservation Portal. Each adult member of your tour group must then register as a Pentagon …

The mission of the Department of Defense is to provide a lethal Joint Force to defend the security of our country and sustain American influence abroad. Get the latest DOD News products...

The Department of Defense (DOD) provides the military forces needed to deter war, and to protect the security of the United States. Have a question? Ask a real person any government …

3 days ago · In his remarks at the Pentagon, Mr. Hegseth said the Defense Department supported “the defense of the territorial integrity of the United States of America” in compliance with “the ...

2 days ago · Pentagon, large five-sided building in Arlington county, Virginia, near Washington, D.C., that serves as the headquarters of the U.S. Department of Defense, including all three …

4 days ago · News Analysis. Hegseth’s Views May Clash With Reality at the Pentagon. The new defense secretary’s goals run counter to the military’s apolitical tradition and efforts to build a …