The mission of the United States Air Force is to fly, fight and win in air, space and cyberspace. Our rich history and our vision guide our Airmen as we pursue our mission with excellence and integrity to become leaders, innovators and warriors.
The U.S. Army’s mission is to fight and win our Nation’s wars by providing prompt, sustained land dominance across the full range of military operations and spectrum of conflict in support of combatant commanders.
The U.S. Coast Guard's mission is to protect the public, the environment, and U.S. economic interests — in the nation's ports and waterways, along the coast, on international waters, or in any maritime region as required to support national security.
Marines are trained to improvise, adapt and overcome any obstacle in whatever situation they are needed. They have the willingness to engage and the determination to defeat the enemy until victory is seized.
Even when not federalized, the Army National Guard has a federal obligation (or mission.) That mission is to maintain properly trained and equipped units, available for prompt mobilization for war, national emergency, or as otherwise needed.
The mission of Defense.gov is to support the overall mission of the Department of Defense by providing official, timely and accurate information about defense policies, organizations, functions and operations. Also, Defense.gov is the single, unified starting point for finding military information online.