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October 1, 1991
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Defense Budget
The Department of Defense (DoD), which accounts for about 96 percent of defense spending, received $580 billion in funding for 2013. The funding provided to DoD covered its base budget—which pays for the department’s normal activities such as manning, training, and equipping the military—and its operations in Afghanistan and elsewhere overseas. That amount reflects the funding caps put in place by the Budget Control Act of 2011, reductions resulting from sequestration, and supplemental funding provided for overseas operations. CBO analyzes the possible consequences of planned reductions in funding for the military’s force structure and acquisitions, and the agency studies the budgetary implications of DoD’s defense plans, including those for military personnel, weapon systems, and operations.