Military Departments

DOD Websites

The Department of Defense has many components aside from the service branches. Find some of the most requested links below, or see a full list by category.

Unified Combatant Commands

The Unified Command Plan is a classified executive branch document prepared by the chairman of the Joint Chiefs of Staf that assigns missions; planning, training and operational responsibilities; and geographic areas of responsibility to combatant commands. Functional cocoms operate worldwide across geographic boundaries and provide unique capabilities to geographic combatant commands and the services, while geographic cocoms operate in clearly delineated areas of operation and have a distinctive regional military focus. There are currently 11 cocoms:

Uniformed Services

Military service has a long tradition in the United States. You can find the websites associated with the individual service branches and their social media apps below.

Army SealMarine Corps SealNavy SealAir Force SealSpace Force SealCoast Guard SealNational Guard Seal

A-Z List

View the full A-Z list of all Department of Defense and service branch websites and social media sites.

Register a Site

Register a Department of Defense or service branch website or social media site with Defense.gov.