U.S. military — LLMpedia

U.S. military
Name	United States Armed Forces
Founded	1775 (Continental Army)
Headquarters	The Pentagon, Arlington County, Virginia
Commander in chief	President of the United States
Minister	Secretary of Defense
Active personnel	~1.3 million
Reserve personnel	~800,000
Budget	Largest national defense budget globally

Contents

U.S. military

History

The origins trace to decisions by the Second Continental Congress and actions at Lexington and Concord and the Siege of Boston. The post-independence period involved debates in the Federalist Papers and policies by the Articles of Confederation and later the United States Constitution establishing civilian control and a standing force. Expansion and reform occurred after the Civil War with figures like Winfield Scott and legislative acts such as the Militia Act of 1792 evolving into the National Defense Act of 1916 and the National Security Act of 1947. Cold War institutions emerged around NATO, the Central Intelligence Agency, and the Department of Defense reorganizations under presidents such as Harry S. Truman and John F. Kennedy. Post-Cold War operations included interventions in Somalia, Kosovo, Operation Enduring Freedom, and Operation Iraqi Freedom, while strategic reviews like the Goldwater–Nichols Act and reports such as the Carter Doctrine influenced force posture.

Service members range from enlisted personnel to officers commissioned via programs like Reserve Officers' Training Corps, service academies, and Officer Candidate School. Career paths reflect occupational specialties codified in Military Occupational Specialty codes and ratings. Military culture blends traditions such as service academies' customs, decorations like the Medal of Honor, Purple Heart, and Silver Star, and ceremonies linked to installations such as Fort Bragg, Joint Base Lewis–McChord, Naval Station Norfolk, Marine Corps Base Quantico, and Barksdale Air Force Base. Leadership models draw on figures like John J. Pershing and Hyman G. Rickover; education and doctrine are provided by organizations including the United States Army War College and Naval War College. Issues of integration, exemplified by Executive Order 9981 and policy changes affecting Don’t Ask, Don’t Tell and service by women, have shaped culture and personnel policy.

Capabilities span strategic nuclear forces under United States Strategic Command with assets such as Trident (missile), intercontinental ballistic missiles like the Minuteman III, and bomber fleets with models such as the B-52 Stratofortress and B-2 Spirit. Naval power projects via Nimitz-class aircraft carrier, Arleigh Burke-class destroyer, and Virginia-class submarine platforms; aviation includes aircraft such as the F-35 Lightning II, F-22 Raptor, F-16 Fighting Falcon, MH-60 Seahawk, and V-22 Osprey. Ground systems include M1 Abrams tanks, Stryker vehicles, and artillery like the M777 howitzer. Space and cyber assets engage via programs linked to SpaceX launches, the Global Positioning System, and cyber units within United States Cyber Command. Acquisition and procurement processes occur through agencies such as the Defense Contract Management Agency and firms including Lockheed Martin, Boeing, Northrop Grumman, General Dynamics, and Raytheon Technologies.

Doctrine integrates combined arms, joint operations, and expeditionary concepts codified in publications like the Joint Publication (JP) 3-0 and the Field Manual (FM) series. Historical operational paradigms include island hopping in the Pacific Theater (World War II), airland battle concepts during the Cold War, and counterinsurgency strategies in Iraq and Afghanistan. Force projection has involved carrier strike groups, amphibious assault with Marine Expeditionary Units, and multinational coalitions under United Nations or NATO mandates. Training and readiness are sustained through exercises such as RIMPAC, Noble Eagle, Red Flag, Operation Atlantic Resolve, and bilateral programs with partners like Japan Self-Defense Forces, Republic of Korea Armed Forces, Australian Defence Force, and British Armed Forces.

The legal basis derives from the United States Constitution, statutes including the Uniform Code of Military Justice, and oversight by Congress through authorization and appropriation committees such as the House Armed Services Committee and the Senate Armed Services Committee. Civil-military relations are shaped by norms of civilian control, exemplars like George Washington relinquishing command, and tensions evident during episodes involving Richard Nixon and the Powell Doctrine debates. International law obligations include adherence to the Geneva Conventions and rules of engagement influenced by Supreme Court cases and legislation such as the War Powers Resolution. Congressional oversight, inspector general inquiries, and institutions like the Government Accountability Office contribute to accountability.