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The defense of Guam, countering the threat posed by hypersonic missiles and the ongoing development of the ground-based midcourse defense system are among the top priorities for the director of the Missile Defense Agency.
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.
Ukrainian forces in the north saw some gains in territory recaptured, including areas near Kharkiv, a senior Defense Department official said.
The Defense Department released a policy that spells out how DOD military and civilian personnel should use official social media accounts to best advance the mission of the U.S. military and further instill trust in the credibility of the DOD.
Army Spc. 5 Dennis M. Fujii spent days fending off enemy fighters during the Vietnam War after his medevac helicopter crashed, took care of wounded South Vietnamese soldiers and found a way for U.S. air support to successfully extract him.
The USS Abraham Lincoln treated guests to a spectacle over the sea recently — a demonstration by aircraft embarked aboard the ship.
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.
The National Guard isn't just your response team at home. Citizen soldiers and airmen answer the call around the globe, partnering with nearly half the world's nations to advance peace and security through the Defense Department's State Partnership Program.
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.