Official websites use .gov
Secure .gov websites use HTTPS
Multimedia driven stories and information about Defense Department programs.
The Air Force structure is a bit of a mix of the Army and Marine Corps structures. The elements of command might change based on the type of unit, but the basic elements remain constant.
Operational and administrative — an interactive look at the Navy's organizational structure.
From fire team to Marine Corps — an interactive look at the Marine Corps' organizational structure.
From team to region — an interactive look at the Army's organizational structure.
With a simple and powerful motto, the Navy's USS New York demonstrates military might and is a symbol that the world will "Never Forget" the 9/11 attacks.
Thousands of veterans travel to the nation's capital each year to visit the memorials that commemorate their service. Learn more about the Honor Flight Network and the veterans it serves.
The 2019 Missile Defense Review describes a comprehensive approach to prevent and defeat missile attacks through a combination of deterrence, active and passive missile defense, and attack operations.
The men and women of the U.S. military who train and conduct operations around the world are also family members, friends and neighbors with a range of interests. Get a glimpse into their lives and their work as we turn to military photographers for a chronicle of the year.
Each year, New York City’s Fifth Avenue is lined by hundreds of thousands of spectators to honor the service of veterans and to salute our currently serving military.
Take a visual walk through history with a look at our troops from WWI to the present.