The Service Tree lists all services in "branched" groups, starting with the very general and moving to the very specific. Click on the name of any group name to see the sub-groups available within it. Click on a service code to see its details and the providers who offer that service.
Military Service Branches
The U.S. Army's mission is to protect the security of the United States and it's resources through land-based operations throughout the world. The army also provides the infrastructure necessary to raise, train, equip, deploy and ensure the readiness of all of its forces; and soldiers work in a variety of institutional jobs ranging from general administration to the operations and maintenance of the Army's many thousands of weapons, vehicles, aircraft carriers and technical electronic systems.
The U.S. Navy trains and equips combat-ready Naval forces who are charged with conducting military operations at sea. The Navy defends the right to travel and trade freely on the world's oceans and protects the country and national interests overseas during times of international conflict. Sailors serve on ships at sea, on submarines, in aviation positions on land and sea and on shore bases around the world.