Uniformed services of the United States

The United States has eight federal uniformed services that commission officers as defined by Title 10 and subsequently structured and organized by Title 10, Title 14, Title 32 and Title 42 of the U.S. Code.

Uniformed services of the United States
The emblems of the eight U.S. uniformed services
Founded	14 June 1775; 247 years ago (1775-06-14)[lower-alpha 1]
Service branches	U.S. Army U.S. Marine Corps U.S. Navy U.S. Air Force U.S. Space Force U.S. Coast Guard U.S. PHS Commissioned Corps NOAA Commissioned Officer Corps
Leadership
President	Joe Biden
Federal department heads	Lloyd Austin (DoD) Alejandro Mayorkas (DHS) Xavier Becerra (HHS) Gina Raimondo (DOC)
Personnel
Military age	17 with parental consent, 18 for voluntary service.[lower-alpha 2]
Conscription	Male only (inactive since 1973)
Available for military service	17 million[4], age 18–25 (2016)
Reaching military age annually	2 million[5] (2016)
Active personnel	1,374,125[6] (ranked 3rd)
Reserve personnel	849,450[7]
Deployed personnel	170,000^{[citation needed]}
Expenditures
Budget	US$721.5 billion (2020)[8] (ranked 1st)
Percent of GDP	3.42% (2019)[9]
Industry
Domestic suppliers	List
Related articles
History	Military history of the United States List of engagements American Revolutionary War Whiskey Rebellion Indian Wars Barbary Wars War of 1812 Patriot War Mexican–American War Utah War Cortina Troubles Reform War American Civil War New York City draft riots Las Cuevas War Spanish–American War Banana Wars Philippine–American War Boxer Rebellion Border War World War I Russian Civil War World War II Cold War Puerto Rican Nationalist Revolts Korean War 1958 Lebanon crisis Dominican Civil War Bay of Pigs Invasion Cuban Missile Crisis Vietnam War Korean DMZ Conflict Operation Eagle Claw Multinational Force Lebanon Invasion of Grenada Operation Golden Pheasant Invasion of Panama Persian Gulf War Somali Civil War Operation Gothic Serpent Battle of Mogadishu Bosnian War Operation Deliberate Force Operation Deny Flight Kosovo War Operation Allied Force Global War on Terrorism Operation Enduring Freedom Afghanistan Philippines Horn of Africa Trans Sahara Iraq War Intervention against ISIL War in North-West Pakistan Military deployment after Hurricane Katrina Pakistan–United States skirmishes Other
Ranks	Commissioned officer Army officer Marine Corps officer Navy officer Air Force officer Space Force officer Coast Guard officer Public Health Service officer NOAA Corps officer Warrant officer Army warrant officer Marine Corps warrant officer Navy warrant officer Coast Guard warrant officer Enlisted Army enlisted Marine Corps enlisted Navy enlisted Air Force enlisted Space Force enlisted Coast Guard enlisted

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