United States Military:
Military branches:
Army, Navy and Marine Corps, Air Force, and Coast Guard (Coast Guard administered in peacetime by the Department of Homeland Security, but in wartime reports to the Department of the Navy)
Military manpower — military age and obligation: 18 years of age (2004 est.)
Military manpower — availability: males 18-49: 67,742,879 (2005 est.) females 18-49: 67,070,144 (2005 est.)
Military manpower — fit for military service: males 18-49: 54,609,050 (2005 est.) females 18-49: 54,696,706 (2005 est.)
Military manpower — reaching military age annually: males : 2,143,873 (2005 est.) females : 2,036,201 (2005 est.)
Military expenditures — dollar figure: $370.7 billion (FY04/March 2003 est.)
Military expenditures — percent of GDP: 3.3% (FY03/February 2004 est.)
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