Military branches: Department of the Army, Department of the Navy (includes Marine Corps), Department of the Air Force
note: the Coast Guard falls under the Department of Transportation, but in wartime reports to the Department of the Navy

Military manpower—military age: 18 years of age

Military manpower—fit for military service:
males age 15-49: NA

Military expenditures—dollar figure: $267.2 billion (1997 est.)

Military expenditures—percent of GDP: 3.4% (1997 est.)