<P> The Army of the United States is one of the four major service components of the United States Army (the others being the Regular Army, the United States Army Reserve and the National Guard of the United States), but it has been inactive since the suspension of the draft in 1973 and the U.S. military's transition to a volunteer force . Personnel serving in the United States Army during a major national emergency or armed conflict (either voluntarily or involuntarily) were enlisted into the Army of the United States, without specifying service in a component . </P> <P> The term "Army of the United States" or "Armies of the United States" is also the legal name of the collective land forces of the United States, as prescribed by the United States Constitution . In this concept, the term "Army of the United States" has been in use since at least 1841, as in the title General Regulations for the Army of the United States . </P>

Army of the united states vs united states army
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