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Watch live as President Joe Biden presents the Medal of Honor to four Vietnam War soldiers, one posthumously, who repeatedly put themselves in harm's way to defend injured comrades.
NATO is a transatlantic alliance of 30 like-minded North American and European countries securing peace since 1949.
The United States is working with allies and partners to support Ukraine in the fight for sovereignty and freedom. The U.S. has provided Ukraine with billions of dollars in security assistance since the beginning of Russia’s unprovoked assault on Feb. 24.
As the 28th secretary of defense, Lloyd J. Austin III is the principal assistant to the president in all matters relating to the Department of Defense and also serves on the National Security Council.
The Defense Department does not believe there is any credence to Russia saying its retreat from Snake Island, in the Black Sea area of Ukraine, was a gesture of goodwill, a senior DOD official said.
Secretary of Defense Lloyd J. Austin III presided as Air Force Gen. Tod Wolters passed command of U.S. European Command to Army Gen. Christopher Cavoli in a ceremony at Patch Barracks, Germany.
NATO's Madrid Summit has been about answering the challenge Russia has made to Ukraine and all countries by Vladimir Putin's unprovoked war and strengthening the alliance, President Joe Biden said.
Marine Corps Pfc. Melvin E. Newlin's heroic actions to save his fellow Marines during a battle in Vietnam made him a name that will forever be remembered.
The Defense Department is working closely with the Department of Health and Human Services and the State Department to provide support in dealing with the coronavirus outbreak.
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.
From its introduction into the Navy in the late 1800s, baseball became a phenomenon that U.S. sailors — many of whom were Major League pros — helped to spread around the world.
More than three decades ago, the movie Top Gun not only had everyone feeling "the need for speed," it also introduced the Navy's elite fighter weapons school to the world.
Take a look behind the lens at the missions and accomplishments of the men and women who serve in the U.S. armed forces.
The Department of Defense provides the military forces needed to deter war and ensure our nation's security.