Àwọn Iṣẹ́ Ológun Amẹ́ríkà

United States armed forces;
	; United States Joint Service Color Guard on parade at Fort Myer in Arlington County, Virginia.
Service branches	U.S. Army; U.S. Marine Corps; U.S. Navy; U.S. Air Force; U.S. Coast Guard;
Leadership
Commander-in-Chief	President Barack Obama
Secretary of Defense	Robert M. Gates
Chairman, Joint Chiefs of Staff	Admiral Michael Mullen
Manpower
Military age	17–45 years old
Available for; military service	72,715,332 males, age 18–49 (2008 est.),; 71,638,785 females, age 18–49 (2008 est.)
Fit for; military service	59,413,358 males, age 18–49 (2008 est.),; 59,187,183 females, age 18–49 (2008 est.)
Reaching military; age annually	2,186,440 males (2008 est.),; 2,079,688 females (2008 est.)
Active personnel	1,473,900 (ranked 2nd)
Reserve personnel	1,458,500
Expenditures
Budget	$692 billion (FY10); (1st by total expenditure, 27th as percent of GDP)
Percent of GDP	4.7 (2010 est.)
Related articles
History	American Revolutionary War; Early national period ; Continental expansion; American Civil War ; Post-Civil War era; World War I (1917–1918); World War II (1941–1945); Cold War (1945–1991); War on Terrorism (2001–present)
Ranks	Army officer; Army warrant officer; Army enlisted; Marine Corps officer; Marine Corps warrant officer; Marine Corps enlisted; Navy officer; Navy warrant officer; Navy enlisted; Air Force officer; Air Force enlisted; Coast Guard officer; Coast Guard warrant officer; Coast Guard enlisted

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