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:
18 years of age (2003 est.)
Military manpower - availability:
males age 15-49: 73,597,731 (2003 est.)
Military manpower - fit for military service:
NA
Military manpower - reaching military age annually:
males: 2,116,002 (2003 est.)
Military expenditures - dollar figure:
$276.7 billion (FY99 est.)
Military expenditures - percent of GDP:
3.2% (FY99 est.)
Military - note:
note: 2002 estimates for military manpower are based on projections
that do not take into consideration the results of the 2000 census