Army, by definition is a part of the U.S. military which is made up of three branches. The other two components are the Air Force and Navy. All report directly to the Department of Defense or (DoD). The DoD is organized into two branches, the first is active duty and the second called the reserve. For the Army the DoD reserve 'departments' that provide support are the United States Army Reserve and the Army National Guard (, 2012).

In comparison to a business entity, there are several components or departments that make up the operations and administration function of the army. The mission of the Army is broken down into operational and institutional departments (, 2012).

Each of these components have a specific purpose that supports the others much like a business entity has several departments that support the product or service offered by the company.

The operational component is...
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