Home - US Army jobs and careers on usarmy.com. U.S. Army (@USArmy) sur Twitter. United States Army. The United States Army (USA) is the main branch of the United States Armed Forces responsible for land-based military operations.
It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services. The modern army has its roots in the Continental Army which was formed on 14 June 1775,[4] to meet the demands of the American Revolutionary War before the establishment of the United States. The Congress of the Confederation officially created the United States Army on 3 June 1784[5][6] after the end of the Revolutionary War to replace the disbanded Continental Army. The Official Home Page of the United States Army.