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|Headquarters, State Area Command|
Virginia Army National Guard
Virginia JFHQ Shoulder Sleeve insignia
|Branch||Army National Guard|
|Type||ARNG Headquarters Command|
|Part of||Virginia National Guard|
|Major General Timothy P Williams (Adjutant General)|
The Virginia Army National Guard is composed of approximately 7500 soldiers and maintains 46 armories in communities throughout the Commonwealth.[ citation needed]
The Governor may call individuals or units of the Virginia National Guard into state service during emergencies or to assist in special situations which lend themselves to use of the National Guard. The state mission assigned to the National Guard is:
The Virginia National Guard provides the premier ready, relevant, and responsive Army and Air National Guard and Virginia Defense Force (personnel and units) to support and defend the Constitution of the United States and the Constitution of the Commonwealth of Virginia. The forces must anticipate requirements and rapidly deploy where directed while executing the orders of the President of the United States and the Governor of Virginia in order to save lives, protect people and property, ensure safety and relieve suffering.
Virginia Army National Guard units are trained and equipped as part of the United States Army. The same enlisted ranks and officer ranks and insignia are used and National Guardsmen are eligible to receive all United States military awards. The Virginia Guard also bestows a number of state awards for local services rendered in or to the commonwealth of Virginia.
When the first English colonists arrived in America they brought with them an existing militia system developed over centuries. Britain, being an island nation, never had a need to have large standing armies like the countries of mainland Europe. The only threats had to come by sea and in the days of wind-powered ships there was always forewarning, such as during the Spanish Armada in 1588. To be prepared to meet impending threats all men within each county (which usually made up one or more regiments) were required to "muster" or "mobilize" a day or two each year so their names could be entered on the rolls and they could at least familiarize themselves with weapons, usually furnished by the government, stored in a common location called an "armory." The commanders of each of these regiments were the high-born men of the county, often lords of noble birth. The men were told they were expected to turn out when called for an emergency but in reality they were still civilian farmers or shop keepers and only part-time soldiers. Once the crisis passed they returned to their homes and trades. This was the system brought over from England. It was modified once the English arrived because there were constant threats for local natives and Spanish raiders. So part of the militia had to always be armed and in readiness in case of sudden attack. 
The HHT/2- 183rd Cavalry and the 276th Engineer Battalion are two of only nineteen Army National Guard units with campaign credit for the War of 1812.
During the 43 years of the Cold War, many changes occurred in the Virginia Guard, perhaps none more significant than the organization in 1946 of the 149th Fighter Squadron in Sandston, the Commonwealth's first Air National Guard unit. From this point forward when speaking of specific Virginia Guard service, either Army or Air, the following abbreviations will be used:
- Virginia Army National Guard-VAARNG
- Virginia Air National Guard-VAANG
While many of the pre-war units, such as the 116th Infantry and 111th Field Artillery, were reorganized in the VAARNG in the mid to late 1940s, new units were organized into the force to meet the new threats posed by the Soviets. The most obvious of these were the antiaircraft artillery (AAA) battalions created to defend Washington, D.C., and Hampton Roads from air attack. Initially armed with guns firing "flak" these were, in the mid-1950s, replaced by Nike missiles capable of destroying enemy aircraft before they could hit their targets. And the structure of the state force expanded beyond only combat arms to include specialized support units including military police, medical, transportation, engineers, signal, data processing and even a military history detachment. 
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Fort Pickett Maneuver Training Center,
- 34th Civil Support Team
- Camp Pendleton State Military Reservation, Virginia Beach, Virginia
- 29th Infantry Division
91st Cyber Brigade
- 123rd Cyber Protection Battalion
- 124th Cyber Protection Battalion
329th Regional Support Group
- 276th Engineer Battalion
- 529th Combat Sustainment Support Battalion
- 1030th Transportation Battalion
- 2nd Battalion, 224th Aviation Regiment
- 183rd Regiment, Regional Training Institute
National Guard units can be mobilized at any time by presidential order to supplement regular armed forces, and upon declaration of a state of emergency by the governor of the state in which they serve. Unlike Army Reserve members, National Guard members cannot be mobilized individually (except through voluntary transfers and Temporary DutY Assignments TDY), but only as part of their respective units.
For much of the final decades of the twentieth century, National Guard personnel typically served " One weekend a month, two weeks a year", with a portion working for the Guard in a full-time capacity. In the first five years of the 21st century, Department of Defense policy was that no Guardsman would be involuntarily activated for a total of more than 24 months (cumulative) in one six year enlistment period. This policy was due to change on 1 August 2007, with the new policy to state that soldiers will be given 24 months between deployments of no more than 24 months. However, individual states have differing policies.) Since September 11, 2001, over 15,700 Virginia Guard personnel have been deployed.
- Listman, Jr., John W. "Virginia National Guard: Serving Commonwealth and Country". Virginia National Guard. Archived from the original on 11 August 2010. Retrieved 11 February 2008.
- Puryear, Cotton (17 September 2017). "91st Cyber Brigade activated as Army National Guard's first cyber brigade". Virginia Army National Guard Public Affairs. Retrieved 18 September 2017.
- "Bibliography of Virginia Army National Guard History". United States Army Center of Military History.
- "Virginia National Guard". Virginia National Guard. Retrieved 6 December 2009.
- "Virginia Army National Guard". GlobalSecurity.org. Retrieved 28 November 2006.