For decades, the United States has had electromagnetic spectrum superiority over adversaries in all domains. But that superiority can no longer be taken for granted, a Defense Department official said.
The Tomb of the Unknown Soldier, America's final resting place for those whose remains have not been found or identified, inspires reflection on service, valor, sacrifice and mourning.
The Defense Department is committed to working with allies, partners and like-minded nations in the Indo-Pacific and to upholding a free and open region founded on respect for international rules, laws and norms.
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.
Space Force Sgt. David Kim grew up in a military family, and initially enlisted in the Air Force. But when the chance came in early 2021 to be one of the first members of the military's newest branch, he couldn't resist.
Keith Bissonnette played minor league baseball before being drafted into the Army during World War II. He was assigned to the Army Air Force where he flew more than 200 missions and earned several awards, including the Purple Heart Medal.
The Defense Department recognizes the service and sacrifice of our military families, and dedicates resources, services, policies and programs to support the more than 2 million uniformed service members and 2.6 million family members across the globe.
President Joe Biden has accepted the recommendations formed by Secretary of Defense Lloyd J. Austin III on the global posture review, which will inform the approach to the National Defense Strategy, a Defense Department official said.
More than just a fighting force, the Defense Department delivers health care, disaster relief and other support to people around the world in humanitarian missions every day.
Take a glimpse into the daily lives of the Defense Department and its people through the eyes of military photographers during operations, training activities, humanitarian missions and other major events of 2021.
They may not have actual boots on the ground, but you'll find U.S. military working dogs serving wherever American troops do. They are as lovable as they are loyal, but make no mistake – these are highly skilled warriors, trained by the best to serve alongside them.
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.