Department of Defense
The mission of the Department of Defense is to provide the military forces needed to deter war and to protect the security of our country. The department's headquarters is at the Pentagon.
The mission of the Navy is to maintain, train and equip combat-ready Naval forces capable of winning wars, deterring aggression and maintaining freedom of the seas.
United States Marine Corps
As America's expeditionary force in readiness since 1775, the Marines are forward deployed to win our nation's battles swiftly and aggressively in times of crisis. Marines fight on land, sea and air, as well as provide forces and detachments to naval ships and ground operations.
United States Coast Guard
The mission of the United States Coast Guard is to ensure our Nation's maritime safety, security and stewardship.
United States Air Force
The mission of the United States Air Force is to fly, fight and win...in air, space and cyberspace.
United States Army
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.