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The Defense Department released the contents of the latest security assistance package to Ukraine, which includes additional ammunition for both the high mobility artillery rocket and howitzer systems.
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.
Navy Quartermaster John Cooper is one of only 19 Medal of Honor recipients to earn the military’s highest honor twice — the first for his heroism during the Civil War's Battle of Mobile Bay, the second for rescuing a wounded man from certain death.
U.S. Africa Command, alongside its African and interagency partners, counters threats and malign actors, strengthens security forces, and responds to crises to advance U.S. interests while promoting regional security, stability and prosperity.
Secretary of Defense Lloyd J. Austin III spoke at the Conference of Defense Ministers of the Americas about how integrated deterrence applies to the Western Hemisphere, placing an emphasis on working seamlessly with allies and partners in the region.
Despite challenges in the current security environment, the United States will continue to pursue engagement with other nuclear-armed states where possible to reduce nuclear risks, the undersecretary of defense for policy said.
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.