United States Army

The storming of Redoubt No. 10 in the Siege of Yorktown during the American Revolutionary War prompted Great Britain's government to begin negotiations, resulting in the Treaty of Paris and Great Britain's recognition of the United States as an independent state.
General Andrew Jackson standing on the parapet of his makeshift defenses as his troops repulse attacking Highlanders during the defense of New Orleans, the final major and most one-sided battle of the War of 1812
The Battle of Gettysburg, the turning point of the American Civil War
Army soldiers in 1890
U.S. Army troops assaulting a German bunker in France, c. 1918
U.S. soldiers hunting for Japanese infiltrators during the Bougainville Campaign
U.S. Army soldiers observing an atomic bomb test of Operation Buster-Jangle at the Nevada Test Site during the Korean War
US tanks and Soviet tanks at Checkpoint Charlie, 1961
A U.S. Army infantry patrol moving up to assault the last North Vietnamese Army position at Dak To, South Vietnam during Operation Hawthorne
U.S. Army soldiers preparing to take La Comandancia in the El Chorrillo neighborhood of Panama City during Operation Just Cause
M1 Abrams tanks moving out before the Battle of Al Busayyah during the Gulf War
Iraqi tanks destroyed by Task Force 1-41 Infantry during the Gulf War, February 1991
U.S. Army Rangers taking part in a raid during an operation in Nahr-e Saraj, Afghanistan
U.S. Army soldiers with the 2nd Battalion, 327th Infantry Regiment, 101st Airborne Division returning fire during a firefight with Taliban forces in Barawala Kalay Valley in Kunar province, Afghanistan, March 2011
Organization of the United States Army within the Department of Defense
U.S. Army organization chart
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U.S. Army soldiers of the 1st Battalion, 175th Infantry Regiment, Maryland Army National Guard conducting an urban cordon and search exercise as part of the army readiness and training evaluation program in the mock city of Balad at Fort Dix, New Jersey
U.S. soldiers from the 6th Infantry Regiment taking up positions on a street corner during a foot patrol in Ramadi, Iraq
The 1st Cavalry Division's combat aviation brigade performing a mock charge with the horse detachment
U.S. Army Special Forces soldiers from the 3rd Special Forces Group patrolling a field in the Gulistan district of Farah, Afghanistan
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U.S. Army Rangers practicing fast roping techniques from an MH-47 during an exercise at Fort Bragg
A trainer with Company A, 1st Battalion 502nd Infantry Regiment, Task Force Strike, 101st Airborne Division assisting Iraqi army ranger students during a room clearing drill at Camp Taji, Iraq on 18 July 2016
U.S. Army soldiers familiarizing with the latest INSAS 1B1 during exercise Yudh Abhyas 2015
A Lockheed Martin Terminal High Altitude Area Defense (THAAD) system used for ballistic missile protection
A U.S. soldier on patrol in Iraq with the support of a Humvee vehicle
3rd Infantry Division soldiers manning an M1A1 Abrams in Iraq
The 2020 Army Greens uniform
An element of the 18th Infantry Regiment, wearing ASUs, representing the United States at the 2010 Victory Day commemoration in Moscow
The Ranger Honor Platoon marching in their tan berets and former service uniform

Land service branch of the United States Armed Forces.

- United States Army
The storming of Redoubt No. 10 in the Siege of Yorktown during the American Revolutionary War prompted Great Britain's government to begin negotiations, resulting in the Treaty of Paris and Great Britain's recognition of the United States as an independent state.

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Colt M4 carbine with RAS, M68 CCO

M4 carbine

5.56×45mm NATO, gas-operated, magazine-fed, carbine developed in the United States during the 1980s.

5.56×45mm NATO, gas-operated, magazine-fed, carbine developed in the United States during the 1980s.

Colt M4 carbine with RAS, M68 CCO
M4 with M68 Close Combat Optic and AN/PAQ-4
M4 with the newer, redesigned telescoping stock
An M4A1 just after firing, with an ejected case in mid-air; the M203 and M68 CCO are attached.
SOPMOD (Special Operations Peculiar Modification) Block I
M4A1s in SOPMOD Block II used by 2 75th Ranger Regiment operators clearing a room during a night raid in Helmand Province, Afghanistan,, 2012
M4 MWS (Modular Weapon System) shown with various accessories including M203 grenade launcher, RIS foregrip, removable carry handle/rear sight assembly, AN/PAQ-4 laser system, M68 CCO reflex sight, and the AN/PVS-4 night vision optics
M4A1 with a carry handle
M4A1 with TA01NSN ACOG 4×32 optical sight
An M4A1 with a Close Quarter Battle Receiver. The barrel length is 10.3 inches.
A U.S. Navy SEAL with an M4 during counterterrorism operations in Afghanistan, January 2002
A U.S. Navy sailor fires an M4 carbine from the warship USS Vella Gulf (CG-72).

The M4 is extensively used by the United States Armed Forces, with decisions to largely replace the M16 rifle in United States Army (starting 2010) and United States Marine Corps (USMC) (starting 2016) combat units as the primary infantry weapon and service rifle.

A commissioned officer (left) and a non-commissioned officer of the British Army prepare for a mission in Afghanistan.

Officer (armed forces)

Person who holds a position of authority as a member of an armed force or uniformed service.

Person who holds a position of authority as a member of an armed force or uniformed service.

A commissioned officer (left) and a non-commissioned officer of the British Army prepare for a mission in Afghanistan.
An Indonesian army officer serving as a ceremonial field commander
The Royal Navy officer training academy Britannia Royal Naval College at Dartmouth
Newly commissioned U.S. Navy and Marine Corps officers celebrate their new positions by throwing their midshipmen covers into the air as part of the U.S. Naval Academy class of 2005 graduation and commissioning ceremony.
A platoon from the Australian 29th Battalion being addressed by their officer commanding in August 1918
An officer of the People's Liberation Army.

United States Military Academy (USMA) (commissions 2nd lieutenants in the U.S. Army)

Lee in March 1864

Robert E. Lee

Confederate general who served the Confederate States of America in the American Civil War, during which he was appointed the overall commander of the Confederate States Army.

Confederate general who served the Confederate States of America in the American Civil War, during which he was appointed the overall commander of the Confederate States Army.

Lee in March 1864
Lee at age 31 in 1838, as a Lieutenant of Engineers in the U.S. Army
Robert E. Lee, around age 38, and his son William Henry Fitzhugh Lee, around age 8, c.1845
Robert E. Lee around age 43, when he was a brevet lieutenant-colonel of engineers, c. 1850
Lee in uniform, 1863
Lee mounted on Traveller (September 1866)
Battle of Gettysburg, by Thure de Thulstrup
Lee with son Custis (left) and aide Walter H. Taylor (right) by Brady, April 16, 1865
Lee in 1869 (photo by Levin C. Handy)
General Lee and his Confederate officers in their first meeting since Appomattox, August 1869.
Oath of amnesty submitted by Robert E. Lee in 1865
Robert E. Lee, oil on canvas, Edward Calledon Bruce, 1865. Virginia Historical Society
Robert Edward Lee in art at the Battle of Chancellorsville in a stained glass window of the Washington National Cathedral
Facade view of Arlington House, the Robert E. Lee Memorial — at Arlington National Cemetery, in Virginia, pictured in 2006
Unveiling of the Equestrian Statue of Robert E. Lee, May 29, 1890, Richmond, Virginia
The removal of Lee's statue from a monument in New Orleans
Stained glass of Lee's life in the National Cathedral
Robert E. Lee, National Statuary Hall, Washington, D.C. Edward Virginius Valentine, sculptor, 1909
Robert E Lee, Virginia Monument, Gettysburg, Pennsylvania, Frederick William Sievers, sculptor, 1917
Robert E. Lee Monument by Mercié, Monument Avenue, Richmond, Virginia, 1890
Statue of Lee at the Confederate War Memorial, Dallas, 1896
Statue of Lee in Murray, Kentucky
University Chapel on the campus of Washington and Lee University

A son of Revolutionary War officer Henry "Light Horse Harry" Lee III, Lee was a top graduate of the United States Military Academy and an exceptional officer and military engineer in the United States Army for 32 years.

Clockwise from top:
Damage to the United States Capitol after the burning of Washington

Mortally wounded Isaac Brock spurs on the York Volunteers at the battle of Queenston Heights

USS Constitution vs HMS Guerriere

The death of Tecumseh in 1813

Andrew Jackson defeats the British assault on New Orleans in 1815

War of 1812

Conflict fought by the United States of America and its indigenous allies against the United Kingdom and its allies in British North America, with limited participation by Spain in Florida.

Conflict fought by the United States of America and its indigenous allies against the United Kingdom and its allies in British North America, with limited participation by Spain in Florida.

Clockwise from top:
Damage to the United States Capitol after the burning of Washington

Mortally wounded Isaac Brock spurs on the York Volunteers at the battle of Queenston Heights

USS Constitution vs HMS Guerriere

The death of Tecumseh in 1813

Andrew Jackson defeats the British assault on New Orleans in 1815
Upper and Lower Canada, circa 1812
Map showing the general distribution of Indian tribes in the Northwest Territory in the early 1790s
American expansion in the Indiana Territory
James Madison, the fourth President of the United States (1809–1817). Madison was the leader of the Democratic-Republican Party, whose power base came from southern and western states.
Depiction of a British private soldier (left) and officer (right) of the period
Governor General George Prévost was urged to maintain a defensive strategy as British forces were already preoccupied with the Napoleonic Wars.
Northern theatre, War of 1812
American surrender of Detroit, August 1812
Oliver Hazard Perry's message to William Henry Harrison after the Battle of Lake Erie began as such: "We have met the enemy and they are ours".
Laura Secord providing advance warning to James FitzGibbon, which led to a British-Iroquois victory at the Battle of Beaver Dams, June 1813
Fencibles, militia, and Mohawks repel an American attack on Montreal, Battle of the Chateauguay, October 1813
American infantry prepare to attack during the Battle of Lundy's Lane
Unsuccessful British assault on Fort Erie, 14 August 1814
Defeat at Plattsburgh led Prévost to call off the invasion of New York.
The Upper Mississippi River during the War of 1812:
The Royal Navy's North American squadron was based in Halifax, Nova Scotia and Bermuda. At the start of the war, the squadron had one ship of the line, seven frigates, nine sloops as well as brigs and schooners.
USS Constitution defeats in a single-ship engagement. The battle was an important victory for American morale.
Captain Broke leads the boarding party to USS Chesapeake (1799). The British capture of Chesapeake was one of the bloodiest contests in the age of sail.
The Battle of Valparaíso ended the American naval threat to British interests in the south Pacific Ocean.
The capture of USS President was the last naval duel to take place during the conflict, with its combatants unaware of the signing of the Treaty of Ghent several weeks prior.
Marines aboard USS Wasp (1814) engage, June 1814. During the war, sloops of the United States Navy scored several victories against British sloops.
Baltimore Clippers were a series of schooners used by American privateers during the war.
A map of the American coastline. British naval strategy was to protect their shipping in North America and enforce a naval blockade on the United States.
The only known photograph of a Black Refugee, c. 1890. During the war, a number of African Americans slaves escaped aboard British ships, settling in Canada (mainly in Nova Scotia) or Trinidad.
Map of the Chesapeake Campaign
Admiralty House, at Mount Wyndham, Bermuda, where the Chesapeake campaign was planned
An artist's rendering of the bombardment at Fort McHenry during the Battle of Baltimore. Watching the bombardment from a truce ship, Francis Scott Key was inspired to write the four-stanza poem that later became "The Star-Spangled Banner".
In 1813, Creek warriors attacked Fort Mims and killed 400 to 500 people. The massacre became a rallying point for Americans.
Creek forces were defeated at the Battle of Horseshoe Bend, bringing an end to the Creek War.
American forces repelled a British assault on New Orleans in January 1815. The battle occurred before news of a peace treaty reached the United States.
A political caricature of delegates from the Hartford Convention deciding whether to leap into the hands of the British, December 1814. The convention led to widespread fears that the New England states might attempt to secede from the United States.
Depiction of the signing of the Treaty of Ghent, which formally ended the war between the British Empire and the United States
United States per capita GDP 1810–1815 in constant 2009 dollars
The Royal Naval Dockyard, Bermuda
Fort Henry at Kingston in 1836. Built from 1832 to 1836, the fort was one of several works undertaken to improve the colonies' defences.
Independence Day celebrations in 1819. In the United States, the war was followed by the Era of Good Feelings, a period that saw nationalism and a desire for national unity rise throughout the country.

The United States Army was initially much larger than the British Army in North America.

An AH-64 Apache from the U.S. Army's 101st Aviation Regiment in Iraq

Boeing AH-64 Apache

American twin-turboshaft attack helicopter with a tailwheel-type landing gear arrangement and a tandem cockpit for a crew of two.

American twin-turboshaft attack helicopter with a tailwheel-type landing gear arrangement and a tandem cockpit for a crew of two.

An AH-64 Apache from the U.S. Army's 101st Aviation Regiment in Iraq
An early Hughes YAH-64 prototype with T-tail
A YAH-64A prototype in 1982
A YAH-64A in 1984
AH-64 Apache in flight
British Apache pilot with IHADSS
AH-64 Apache weapon loadout
AH-64 during an extraction exercise at Camp Bondsteel, Kosovo in 2007 with a soldier on the avionics bay.
AH-64 over Baghdad, Iraq on a reconnaissance mission, 2007
IAF AH-64D "Saraph"
UK Army Air Corps Westland WAH-64D Apache Longbow displays at a UK airshow
Royal Netherlands Air Force AH-64D at the Farnborough Airshow, 2006
A Royal Netherlands Air Force AH-64D Apache from the Apache Solo Display Team
Royal Saudi Land Forces AH-64A, 2005
An IAF AH-64E in 2019
Taiwanese AH-64E in 2014
Indonesian Army Aviation AH-64E Guardian in 2018
Two US Army AH-64 Apaches during Exercise Talisman Sabre 2019, in Queensland, Australia
Israeli Air Force AH-64A Peten
AH-64E Apache Guardian
A U.S. Army AH-64A Apache aboard USS Nassau (LHA-4) during Joint Shipboard Weapons and Ordnance training
A Hellenic Army AH-64
An AH-64E Apache of the Indian Air Force
A Fuji Heavy Industries license built Apache for the Japanese GSDF
A U.S. Army ski equipped AH-64 training Fort Wainwright, Alaska
frameless
An UAEAF Apache conducts deck landing qualifications aboard the USS Fort McHenry.
A Fuji Heavy Industries license built Apache for the Japanese GSDF

The Apache began as the Model 77 developed by Hughes Helicopters for the United States Army's Advanced Attack Helicopter program to replace the AH-1 Cobra.

Seal

National Guard (United States)

Seal
1953 postage stamp
Seal of the National Guard Bureau, 2013 to present
Army National Guard soldiers at New York City's Penn Station in 2004
First muster of the East Regiment (present-day Massachusetts Army National Guard) in Salem, Massachusetts Bay Colony, Spring 1637
A National Guardsman in 1917
Following the 1992 Los Angeles riots, 4,000 National Guardsmen patrolled the city.
The National Guard Memorial Museum in Washington, D.C.
A South Carolina Army National Guard CH-47 Chinook supporting the South Carolina Forestry Commission to contain a remote fire near the top of Pinnacle Mountain in Pickens County, South Carolina, November 17, 2016
An Army National Guardsman of the 1st Battalion, 151st Infantry Regiment in Parun, Afghanistan. Note that he is wearing a 10th Mountain Division Former Wartime Service SSI.
A National Guardsman guarding the World War II Memorial in Washington, D.C. during the George Floyd protests, June 2020.

The National Guard is a state-based military force that becomes part of the reserve components of the United States Army and the United States Air Force when activated for federal missions.

The Joint Chiefs of Staff in December 2020.

Joint Chiefs of Staff

Body of the most senior uniformed leaders within the United States Department of Defense, that advises the president of the United States, the secretary of defense, the Homeland Security Council and the National Security Council on military matters.

Body of the most senior uniformed leaders within the United States Department of Defense, that advises the president of the United States, the secretary of defense, the Homeland Security Council and the National Security Council on military matters.

The Joint Chiefs of Staff in December 2020.
United States Secretary of Defense Harold Brown and United States Deputy Secretary of Defense Charles W. Duncan Jr with Chairman of the Joint Chiefs of Staff General George S. Brown and the other members of the Joint Chiefs of Staff at the Pentagon in 1977
Joint Chiefs of Staff meeting (circa 1943). From left to right are: Gen. Henry H. Arnold, Chief of the Army Air Forces; Adm. William D. Leahy, Chief of Staff to the Commander in Chief of the Army and Navy; Adm. Ernest J. King, Commander in Chief, U.S. Fleet and Chief of Naval Operations; and Gen. George C. Marshall, Chief of Staff of the United States Army.
The Joint Chiefs of Staff in 1959.
The Joint Chiefs of Staff in an annual meeting with the commanders of unified and specified command in the JCS meeting room, also known as "The Tank" on January 15, 1981.
The Joint Chiefs of Staff in 2002
The Joint Staff Organization Chart as of March 2018
Members of the Joint Chiefs of Staff during a press conference at The Pentagon with Secretary of Defense. From left to right are Army Vice Chief of Staff General Richard A. Cody, Chief of Naval Operations Admiral Vern Clark, Chairman of the Joint Chiefs of Staff, U.S. Air Force General Richard B. Myers, U.S. Secretary of Defense Donald Rumsfeld, Air Force Chief of Staff General John P. Jumper and Commandant of the Marine Corps General Michael Hagee. In the absence of the Chairman of the Joint Chiefs of Staff or the Service Chief, the Vice Chairman of the Joint Chiefs of Staff and the Vice Service Chief will replace its presence at an important event.
Members of The Joint Chiefs of Staff with U.S. Secretary of Defense in 1973.
The Joint Chiefs of Staff (seated) and the directors of the Joint Staff directorates (standing), November 1989.
The Joint Chiefs of Staff during its early days in 1949.
Members of the Joint Chiefs of Staff at The Pentagon in 1958.
The Joint Chiefs of Staff in 1961.
The Joint Chiefs of Staff in 1968.
The Joint Chiefs of Staff in 1971.
The Joint Chiefs of Staff in 1977.
Members of the Joint Chiefs of Staff with President-Elect Jimmy Carter and Secretary of Defense Donald Rumsfeld on December 17, 1976.
Members of the Joint Chiefs of Staff during a cabinet meeting in the White House in 1977
The Joint Chiefs of Staff in 1981.
Members of the Joint Chiefs of Staff during President Ronald Reagan Inaugural Parade in January 20, 1981.
The Joint Chiefs of Staff in 1983.
The Joint Chiefs of Staff in 1986.
The Joint Chiefs of Staff in 2001.
Members of the Joint Chiefs of Staff render a salute for the late President Ronald Reagan at Andrews Air Force Base in 2004.
Members of the Joint Chiefs of Staff at Andrews Air Force Base during a funeral service ceremony for the late President Gerald Ford on December 26, 2006.
The Joint Chiefs of Staff at the Senate Armed Services Committee testimony in The Capitol Hill 2010.
The Joint Chiefs of Staff in 2017.

As the U.S. military grew in size following the American Civil War, joint military action between the Army and Navy became increasingly difficult.

Shoulder sleeve insignia of VII Corps

VII Corps (United States)

Shoulder sleeve insignia of VII Corps
Major General J. Lawton Collins, VII Corps, describes the taking of Cherbourg to General Omar Bradley, First Army.
VII Corps Cold War NATO assignment
Organisation of VII Corps in 1989 (click to enlarge)
VII Corps Garrison Footprint in the 1980s
VII Corps Gulf War Map.
Captured Iraqi T-72 Tank at VII Corps Cold War HQ, Kelley Barracks.
An Iraqi Republican Guard tank destroyed by Task Force 1-41 Infantry during the 1st Gulf War, February 1991.
Order of battle graphic showing VII U.S Army Corps during Operation Desert Storm

The VII Army Corps of the United States Army was one of the two principal corps of the United States Army Europe during the Cold War.

World War II-era poster advertising a career in the Regular Army

Regular Army (United States)

The Regular Army of the United States succeeded the Continental Army as the country's permanent, professional land-based military force.

The Regular Army of the United States succeeded the Continental Army as the country's permanent, professional land-based military force.

World War II-era poster advertising a career in the Regular Army

In modern times the professional core of the United States Army continues to be called the Regular Army (often abbreviated as “RA”).

A U.S. soldier wearing the Army Combat Uniform (ACU) in the Operational Camouflage Pattern (OCP)

Army Combat Uniform

A U.S. soldier wearing the Army Combat Uniform (ACU) in the Operational Camouflage Pattern (OCP)
U.S. Army soldiers in May 2011, wearing the ACU in the Universal Camouflage Pattern, along with its replacement MultiCam pattern (second from left) in Paktika province, Afghanistan
The ACU of a U.S. Navy sailor attached to a U.S. Army unit during the Iraq War, August 2009
A U.S. Army soldier in March 2007 wears a helmet with a UCP camouflage cover during the Iraq War

The Army Combat Uniform (ACU) is the current combat uniform worn by the United States Army, U.S. Air Force, and U.S. Space Force.