?????? ???? ?????

?????? ???? ?????
	United States Joint Service Color Guard on parade at Fort Myer, Virginia .
?????? ?????	U.S. Army ; U.S. Marine Corps ; U.S. Navy ; U.S. Air Force ; U.S. Coast Guard
??? ????	????? ??? , ???????? ???????
?????
Commander-in-Chief	President ???? ??????
Secretary of Defense	Leon Panetta
Chairman of the Joint Chiefs of Staff	General Martin Dempsey
?????? ???
????? ???	17?62 years old
?????? ????? ; ???? ????	73,270,043 males, age 18?49 (2010 est.), ; 71,941,969 females, age 18?49 (2010 est.)
Fit for ; military service	60,620,143 males, age 18?49 (2010 est.), ; 59,401,941 females, age 18?49 (2010 est.)
???? ??? ; ?????? ???	2,161,727 males (2010 est.), ; 2,055,685 females (2010 est.)
???? ??????	1,456,862 ( ranked 2nd )
????? ?????	1,458,500 (ranked 7th)
Expenditures
???	$549.4 billion (FY11) ; ( 1st by total expenditure, 11th as percent of GDP )
Percent of GDP	4.9% (2011 est.)
?????? ??????
?????	?????? ??? ?????? ; Early national period ; Continental expansion ; American Civil War (1861?1865) ; Post-Civil War era ; World War I (1917?1918) ; World War II (1941?1945) ; ??? ??? (1945?1991) ; ????? ??? (1950?1953) ; Vietnam War (1959?1975) ; ??? ???? (1991) ; Kosovo War (1999) ; War on Terrorism (2001?present) ; War in Afghanistan (2001?present) ; ???? ??? (2003?2011) ; Other
????	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

?????? ???? ????? ( ??????? : united states armed forces) ???? ?? ????? ??? ??? ????? ?? ???? ?? ?? ?? ?????? ??? ????? ???? ??? 1776? ??? ????????? ????? ?????? ?? ????? ?? ??? ?? ?? ?? ????? ??? ??? ??? ????

????? ??? [ ????? ]

↑ Persons 17 years of age, with parental permission, can join the U.S. armed services.
↑ "ARMED FORCES STRENGTH FIGURES FOR SEPTEMBER 30, 2011" (PDF) ? United States Office of the Under Secretary of Defense for Acquisition, Technology, and Logistics? September 2011? 05 ????? 2009 ??? ??? (PDF) ?? ??????? ??? ? ??? ??? ?????? 06 ????? 2012
↑ "S.3001 ? National Defense Authorization Act for Fiscal Year 2009" ? United States Government Printing Office ? 12 May 2008? 24 ????? 2018 ??? ??? (PDF) ?? ??????? ??? ? ??? ??? ?????? 09 ????? 2011
↑ "Federal Government Outlays by Function and Subfunction: 1962?2015 Fiscal Year 2011 (Table 3.2)" (PDF) ? United States Government Printing Office ? 17 ????? 2011 ??? ??? (PDF) ?? ??????? ??? ? ??? ??? ?????? 21 ????? 2010

[1] Persons 17 years of age, with parental permission, can join the U.S. armed services.

[siadapp.dmdc.osd.mil-2] "ARMED FORCES STRENGTH FIGURES FOR SEPTEMBER 30, 2011" (PDF) ? United States Office of the Under Secretary of Defense for Acquisition, Technology, and Logistics? September 2011? 05 ????? 2009 ??? ??? (PDF) ?? ??????? ??? ? ??? ??? ?????? 06 ????? 2012

[frwebgate.access.gpo.gov-3] "S.3001 ? National Defense Authorization Act for Fiscal Year 2009" ? United States Government Printing Office ? 12 May 2008? 24 ????? 2018 ??? ??? (PDF) ?? ??????? ??? ? ??? ??? ?????? 09 ????? 2011

[Budget_FY2011-4] "Federal Government Outlays by Function and Subfunction: 1962?2015 Fiscal Year 2011 (Table 3.2)" (PDF) ? United States Government Printing Office ? 17 ????? 2011 ??? ??? (PDF) ?? ??????? ??? ? ??? ??? ?????? 21 ????? 2010

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