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Army National Guard

The Army National Guard (ARNG), in conjunction with the Air National Guard, is an organized militia force and a federal military reserve force of the United States Army. They are simultaneously part of two different organizations: the ARNG of each state, most territories, and the District of Columbia (also referred to as the Militia of the United States), as well as the federal ARNG, as part of the National Guard as a whole. It is divided into subordinate units stationed in each state or insular area, responsible to their respective governors or other head-of-government.[4]

Army National Guard

As state-funded militia under various names: 1636–1903
As federal reserve forces called the Army National Guard: 1903–present

 United States

336,000 personnel (authorized end strength for Fiscal Year 2020)[1]

Army National Guard Readiness Center, Arlington Hall
Arlington County, Virginia

"Army Guard", "The Guard"

13 December 1636 (founding)

MG John C. Andonie[2][3]

CW5 Teresa A. Domeier

CSM John T. Raines III

The Guard's origins are usually traced to the city of Salem, Massachusetts, in 1636. That year a regiment of militia drilled for the first time to defend a multi-community area within what is now the United States.[5][a]

Activation[edit]

The ARNG operates under Title 10 of the United States Code when under federal control, and Title 32 of the United States Code and applicable state laws when under state control. It may be called up for active duty by the state or territorial governors to help respond to domestic emergencies and disasters, such as those caused by hurricanes, floods, and earthquakes, as well as civil disorder.[4] The District of Columbia Army National Guard is a federal militia, controlled by the President of the United States with authority delegated to the Secretary of Defense, and through him to the Secretary of the Army.[7]


Members or units of the ARNG may be ordered, temporarily or indefinitely, into United States service.[8][9] If mobilized for federal service, the member or unit becomes part of the U.S. ARNG, which is a reserve component of the U.S. Army.[10][11][12] Individuals volunteering for active federal service may do so subject to the consent of their governors.[13] Largely on the basis of a 1990 U.S. Supreme Court decision, governors generally cannot veto involuntary activations of individuals or units for federal service, either for training or national emergency.[14]


The President may also call up members and units of the ARNG, in its status as the militia of the several states, to repel invasion, suppress rebellion, or enforce federal laws.[15] The Army National Guard is one of two organizations administered by the National Guard Bureau, the other being the Air National Guard. The Director of the ARNG is the head of the organization, and reports to the Chief of the National Guard Bureau. Because the ARNG is both the militia of the several states and a federal reserve component of the Army, neither the Chief of the National Guard Bureau nor the Director of the ARNG "commands" it. This operational command authority is performed in each state or territory by the State Adjutant General, and in the District of Columbia by the Commanding General of the D.C. National Guard when a unit is in its militia status. While under federal activation, the operational command authority is transferred to the commanders of the unified combatant commands, who command all U.S. forces within their area of responsibility. The Chief of the National Guard Bureau and the Director of the ARNG serve as the channel of communications between the Department of the Army and the ARNG in each state and territory, and administer federal programs, policies, and resources for the National Guard.[16]


The ARNG's portion of the president's proposed federal budget for Fiscal Year 2018 is approximately $16.2 billion to support an end strength of 343,000, including appropriations for personnel pay and allowance, facilities maintenance, construction, equipment maintenance and other activities.[17]

commissioned a Major in the Virginia Militia in 1753. He attained the rank of colonel before resigning his commission at the end of the French and Indian War.[18][19]

George Washington

colonel and commander of the Albemarle County Militia at the start of the American Revolution[20]

Thomas Jefferson

colonel in the Orange County Militia at the start of the American Revolution and aide to his father, James Madison, Sr., who was the commander.[21]

James Madison

served in the militia while attending the College of William and Mary. After being wounded at the Battle of Trenton while serving in the Continental Army, he returned to Virginia to recruit and lead a regiment as a militia lieutenant colonel, but the regiment was never raised. In 1780 the British invaded Richmond, Virginia, and Jefferson commissioned Monroe as a colonel to command the militia raised in response and act as liaison to the Continental Army in North Carolina.[22][23]

James Monroe

commander of the Tennessee Militia as a major general prior to the War of 1812.[24][25]

Andrew Jackson

commander of Indiana Territory's militia and Major General of the Kentucky Militia at the start of the War of 1812.[26][27]

William Henry Harrison

commanded a company called the Charles City Rifles, part of Virginia's 52nd Regiment, in the War of 1812.[28]

John Tyler

joined the Tennessee Militia as a captain in a cavalry regiment in 1821. He was subsequently appointed a colonel on the staff of Governor William Carroll.[29][30][31][32]

James Polk

served as inspector of New York's 47th Brigade with the rank of major.[33] Commanded the Union Continentals, a militia unit raised to perform local service in Buffalo, New York, during the American Civil War.[34]

Millard Fillmore

appointed aide de camp to Governor Samuel Dinsmoor in 1831. He remained in the militia until 1847 and attained the rank of colonel before becoming a brigadier general in the Army during the Mexican–American War.[35]

Franklin Pierce

a member of the Pennsylvania Militia. His dragoon unit took part in the defense of Baltimore, Maryland, during the War of 1812.[36][37]

James Buchanan

served in the Illinois Militia during the Black Hawk War. He commanded a company in the 4th Illinois Regiment with the rank of captain from April to May 1832. He was a private in Captain Alexander White's Company from May to June 1832. He served as a private in Captain Jacob Earley's company from June to July 1832.[38]

Abraham Lincoln

served in the Tennessee Militia in the 1830s, and attained the rank of colonel.[39][40] During the American Civil War he remained loyal to the Union and was appointed Military Governor of Tennessee with the rank of brigadier general.[41][42][43]

Andrew Johnson

having left the Army as a captain, at the start of the Civil War he served in the Illinois Militia as aide de camp and mustering officer for Governor Richard Yates.[44][45] He held these positions until being appointed commander of the 21st Illinois Infantry, which set him on the path to becoming a general and commander of all Union armies.[46]

Ulysses S. Grant

joined a militia company in 1846 intending to fight in the Mexican–American War, but resigned because of ill health.[47] Enlisted as a private in a Cincinnati militia company at the start of the Civil War in 1861, and was elected commander with the rank of captain. He was subsequently appointed a major in the 23rd Ohio Infantry, and ended the war as a brigade commander and brevet Major General.[48]

Rutherford B. Hayes

commissioned a lieutenant colonel in the Ohio Militia in 1861, he took part in recruiting and training the 42nd Ohio Infantry Regiment, which he commanded as a colonel.[49] He later served as Chief of Staff for the Army of the Cumberland and received promotion to Major General.[50]

James A. Garfield

became a member of the New York Militia soon after becoming a lawyer. During the Civil War he served on the staff of Governor Edwin D. Morgan as Quartermaster General with the rank of brigadier general. He later served as Morgan's inspector general, responsible for visiting New York's front line units, assessing conditions and recommending improvements.[51]

Chester A. Arthur

commissioned in the Indiana Militia by Governor Oliver P. Morton to recruit a regiment during the Civil War, he was subsequently appointed a second lieutenant and captain in and then colonel and commander of the 70th Indiana Infantry Regiment. He received the brevet of brigadier general as a commendation of his service, and later commanded a brigade.[52][53][54] He also enrolled in the militia again during labor unrest in Indianapolis in 1877.[55]

Benjamin Harrison

joined a volunteer militia company called the Poland Guards at the start of the Civil War. The company was subsequently mustered in as part of the 23rd Ohio Infantry, the same regiment in which President Hayes served. McKinley ended the war as a major and chief of staff for division commander Samuel S. Carroll.[56][57]

William McKinley

commissioned as a second lieutenant in the 8th New York Infantry Regiment in 1884, he served until 1888 and attained the rank of captain. During the Spanish–American War he was commissioned lieutenant colonel of the 1st United States Volunteer Cavalry, which he later commanded as a colonel. In 2001 a review of his war record led to a posthumous award of the Medal of Honor.[58][59]

Theodore Roosevelt

served in the Missouri Army National Guard from 1905 to 1911, rising to the rank of corporal. During World War I he rejoined and was commissioned a first lieutenant in the 2nd Missouri Field Artillery. This regiment was federalized as the 129th Field Artillery, and Truman commanded Battery D as a captain. He continued to serve in the Army Reserve, retiring as a colonel in 1953.[60][61][62]

Harry S. Truman

167th Sustainment Command (Theater) (AL ARNG)

184th Sustainment Command (Expeditionary) ()

MS ARNG

26th Infantry Division, inactivated 1 September 1993.[73]

27th Infantry Division, reorganized as 27th Armored Division, 1 February 1955. (See below.)[74]

27th Armored Division, inactivated 1 February 1968.[75]

30th Armored Division, inactivated 1 December 1973. (See below.)[76]

30th Infantry Division, inactivated 4 January 1974.[77]

31st Infantry Division, inactivated 14 January 1968. Units allocated to 30th Armored Division.[78]

32nd Infantry Division, inactivated 1 December 1967.[79]

33rd Infantry Division, inactivated 1 February 1968.[80]

37th Infantry Division, inactivated 15 February 1968.[81]

39th Infantry Division, inactivated 1 December 1967.[82]

40th Armored Division, inactivated 29 January 1968.[83]

41st Infantry Division, inactivated 1 January 1968.[84][85]

43rd Infantry Division, inactivated 16 December 1967.[86]

44th Infantry Division, inactivated 10 October 1954.[87]

45th Infantry Division, inactivated 1 February 1968.[88]

46th Infantry Division, inactivated 1 February 1968.[89]

47th Infantry Division, inactivated 10 February 1991.[90]

48th Armored Division, inactivated 29 January 1968.[91]

49th Armored Division, inactivated 1 May 2004; reflagged as the 36th Infantry Division.[92][93]

50th Armored Division, inactivated 1 September 1993.[94]

Several units have been affected by Army National Guard reorganizations. Some have been renamed or inactivated. Some have had subordinate units reallocated to other commands. A partial list of inactivated major units includes:

National Guard (United States)

Space National Guard

19th Special Forces Group

20th Special Forces Group

Comparable organizations

Official website

Army National Guard News

accessed 23 November 2006

Unit Designations in the Army Modular Force

National Guard Maneuver Enhancement Brigade's Role in Domestic Missions

Guard Knowledge Online

Army National Guard Old Website