An armored cavalry regiment (ACR) is a

regiment A regiment is a military unit. Its role and size varies markedly, depending on the country, service and/or a specialisation. In Medieval Europe, the term "regiment" denoted any large body of front-line soldiers, recruited or conscript ...

of the

United States Army The United States Army (USA) is the land warfare, land military branch, service branch of the United States Armed Forces. It is one of the eight Uniformed services of the United States, U.S. uniformed services, and is designated as the Army o ...

(Active Component, or Reserve Component (Army Reserve or Army National Guard)) organized for the specific purposes of

reconnaissance In military operations, reconnaissance or scouting is the exploration of an area by military forces to obtain information about enemy forces, terrain, and other activities. Examples of reconnaissance include patrolling by troops (skirmisher ...

, surveillance, and

security" \n\n\nsecurity.txt is a proposed standard for websites' security information that is meant to allow security researchers to easily report security vulnerabilities. The standard prescribes a text file called \"security.txt\" in the well known locat ...

. The regiments can be equipped with

Cavalry Fighting Vehicle The M3 Bradley Cavalry Fighting Vehicle (CFV) is an American tracked armored reconnaissance vehicle manufactured by BAE Systems Land and Armaments (formerly United Defense). A member of the Bradley Fighting Vehicle family, the M3 CFV is used by ...

tank A tank is an armoured fighting vehicle intended as a primary offensive weapon in front-line ground combat. Tank designs are a balance of heavy firepower, strong armour, and good battlefield mobility provided by tracks and a powerful engi ...

s and

helicopters A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes ...

. The light armored cavalry regiment was developed in the United States Army in the first years of the Cold War to replace the mechanized cavalry groups used during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

. The new regiments primarily tasked with providing reconnaissance and security capabilities at the corps level, although also able to attack and defend either mounted or dismounted. The structure of each regiment included a headquarters and headquarters company and three reconnaissance battalions, each of which included a headquarters and service company, three reconnaissance companies, and a medium tank company.

1 to 100

* 2nd Armored Cavalry Regiment (now a Stryker Brigade Combat Team.) * 3rd Armored Cavalry Regiment (now a Stryker BCT) *

6th Armored Cavalry Regiment The 6th Cavalry ("Fighting Sixth'") is a regiment of the United States Army that began as a regiment of cavalry in the American Civil War. It currently is organized into aviation squadrons that are assigned to several different combat aviation ...

(converted to an USARS aviation regiment.) * 11th Armored Cavalry Regiment (now an Armored Brigade Combat Team.) *

14th Armored Cavalry Regiment The 14th Cavalry Regiment is a cavalry regiment of the United States Army. It has two squadrons that provide reconnaissance, surveillance, and target acquisition for Stryker brigade combat teams. Constituted in 1901, it has served in conflicts ...

(converted to an USARS cavalry regiment.) * 17th Cavalry Regiment (Armored) now a USARS parent regiment

101 to 278

* 101st Armored Cavalry Regiment – Redesignated from existing units 1950 in the New York Army National Guard. Broken up and units redesignated 1959. * 102nd Armored Cavalry Regiment – Redesignated from existing units 1949 in the

New Jersey Army National Guard The New Jersey Army National Guard consists of more than 6,000 Citizen-Soldiers. The New Jersey Army National Guard is currently engaged in multiple worldwide and homeland missions. Units have deployed to Iraq, Guantanamo Bay, Afghanistan, Germ ...

. Broken up and units redesignated 1968. * 103rd Armored Cavalry Regiment – Redesignated from existing units 1959 in the

Maine Army National Guard The Maine Army National Guard is a component of the United States Army and the United States National Guard. Nationwide, the Army National Guard comprises approximately one half of the US Army's available combat forces and approximately one-thir ...

, reorganized 1961 as 20th Armor. * 104th Armored Cavalry Regiment – Organized 1950 in the

Pennsylvania Army National Guard The Pennsylvania Army National Guard, abbreviated PAARNG, is part of the United States Army National Guard and is based in the U.S. Commonwealth of Pennsylvania. Together with the Pennsylvania Air National Guard, it is directed by the Pennsylvan ...

. 3rd Squadron in New Jersey Army National Guard from 1968. Broken up and units redesignated 1975. * 107th Armored Cavalry Regiment (converted to an USARS cavalry regiment.) *

108th Armored Cavalry Regiment 1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length 1. I ...

- Organized as the 750th Tank Battalion in the Mississippi Army National Guard with headquarters at

Senatobia Senatobia is a city in, and the county seat of, Tate County, Mississippi, United States, and is the 16th largest municipality in the Memphis Metropolitan Area. The population was 8,165 at the 2010 census. Senatobia is the home of Northwest Miss ...

, MS, from 16 Feb-28 May 1956. Expanded, reorganized and redesignated with 1st, 2nd and 3rd Recce Squadrons, 108th Armored Cavalry Regiment, 1 May 1959. Ordered into Federal Service from 30 September 1962 – 23 October 1962. In 1968 the regimental headquarters became 1st Brigade, 30th Armored Division, MSARNG. 2nd and 3rd Recce Squadrons consolidated 15 February 1968 with 1st Squadron, 108th Armored Cavalry Regiment. In the late 1990s the squadron was organized as a separate regimental armored cavalry squadron and was equipped with M1A1 tanks and M3A2 cavalry fighting vehicles. 1st Squadron, 108th Armored Cavalry inactivated 2007. Note the 108th Armor Regiment existed at the same time in the

Georgia Army National Guard The Georgia Army National Guard is the Army National Guard component of the Georgia National Guard, administratively part of the Georgia Department of Defense. It consists of more than 11,100 citizen-soldiers training in more than 79 hometown ...

, sometimes with the same battalion numbers. *

111th Armored Cavalry Regiment The 111th Armored Cavalry Regiment (111th ACR) was a light armored cavalry regiment that was part of the California Army National Guard, briefly active during the early years of the Cold War. Constituted in 1949, it included three maneuver ba ...

– Constituted and organized 1949 in the

California National Guard The California National Guard is part of the National Guard of the United States, a dual federal-state military reserve force. The CA National Guard has three components: the CA Army National Guard, CA Air National Guard, and CA State Guard. ...

. Broken up and units redesignated 1954. * 112th Armored Cavalry Regiment – Organized 1949 in the

Texas National Guard The Texas Military Forces (TXMF) are the principal instrument through which the Texas Military Department (TMD) executes security policy for Texas, which has the second-largest population and border in the United States, and the 9th-largest eco ...

from existing units. Broken up 1959 and units redesignated or consolidated. * 115th Armored Cavalry – Organized 1951 in the

Wyoming Army National Guard The Wyoming Army National Guard is the Army National Guard of Wyoming. It includes army aviation, construction engineers, field artillery and medical asset units. It was reorganized in 1996, consolidating its two field artillery battalions int ...

from new and existing units. Broken up 1953 and elements redesignated as units of the 115th Field Artillery Group, which later became the

115th Field Artillery Brigade The 115th Field Artillery Brigade, known as “Cowboy Thunder” is an artillery formation of the United States Army, raised by the Wyoming Army National Guard. It is headquartered in Cheyenne, Wyoming. Its history stretches back to the 1800s whe ...

. * 116th Armored Cavalry Regiment – Organized 1949 by redesignation of existing units in the

Idaho Army National Guard The Idaho Army National Guard is a component of the United States Army and the United States National Guard. Nationwide, the Army National Guard comprises approximately one half of the US Army's available combat forces and approximately one thi ...

. Redesignated 116th Cavalry Regiment 1989 as

USARS USA Roller Sports (USARS), formerly the United States Amateur Confederation of Roller Skating, is the national governing body of competitive roller sports (inline skating and roller skating) in the United States. It is recognized by the Internatio ...

parent regiment. * 150th Armored Cavalry Regiment – Redesignated 1955 in the

West Virginia Army National Guard The West Virginia National Guard is a part of the West Virginia Department of Military Affairs and Public Safety. It comprises the West Virginia Army National Guard and the West Virginia Air National Guard. Unlike some states, West Virginia does ...

from new or existing units. Redesignated 150th Armor Regiment 1993. * 163rd Armored Cavalry Regiment – Redesignated 1953 in the

Montana Army National Guard The Montana Army National Guard is a component of the United States Army and the United States National Guard. Nationwide, the Army National Guard comprises approximately one half of the US Army's available combat forces and approximately one t ...

from existing units. Redesignated as the 163rd Cavalry Regiment in 1988. * 173rd Armored Cavalry Regiment – Constituted in the

Tennessee National Guard The Tennessee Military Department is a department within the Executive Branch of Tennessee State Government with four major components. The Tennessee Army National Guard and the Tennessee Air National Guard constitute the National Guard in Tenne ...

and organized 1949 from existing units. Broken up 1954 and elements redesignated as units of the 30th Armored Division or disbanded. *

278th Armored Cavalry Regiment The 278th Armored Cavalry Regiment (278th ACR, "Third Tennessee"), previously the 117th Infantry Regiment, is an armored brigade combat team of the Tennessee Army National Guard with headquarters in Knoxville, Tennessee. It is the only National ...

– Constituted 1977 in the

Tennessee Army National Guard The Tennessee Army National Guard is a component of the United States Army and the United States National Guard. Nationwide, the Army National Guard comprises approximately one half of the US Army's available combat forces and approximately one ...

and organized from existing units between 1977 and 1980. Structured as a Heavy Brigade Combat Team and as of 2017 the only "heavy" ACR in the National Guard.

300 to 321

300th Armored Cavalry Regiment The 300th Armored Cavalry Regiment (300th ACR) was a Texas-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II. It was constituted in 1948 and partially organized from existing uni ...

– Constituted 1948 in the

Organized Reserve Corps The United States Army Reserve (USAR) is a reserve force of the United States Army. Together, the Army Reserve and the Army National Guard constitute the Army element of the reserve components of the United States Armed Forces. Since July 2020 ...

and partially organized in Texas. Inactivated 1950 and disbanded 1950. * 301st Armored Cavalry Regiment – Constituted 1948 in the

and partially organized in Georgia. Disbanded 1950. *

302nd Armored Cavalry Regiment The 302nd Armored Cavalry Regiment (302nd ACR) was a New York-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II. Constituted in 1948, it was partially organized later that year an ...

– Constituted 1948 in the

and partially organized in New York. Inactivated 1950 and disbanded 1952. * 303rd Armored Cavalry Regiment – Reconstituted 1948 in the

and partially organized in New York. Inactivated 1950 and disbanded 1952. Inherited lineage of prewar 303rd Cavalry Regiment. *

304th Armored Cavalry Regiment The 304th Armored Cavalry Regiment (304th ACR) was a Massachusetts-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II. It was constituted in 1948 and partially organized from exist ...

– Constituted 1948 in the

and partially organized in Massachusetts. Headquarters redesignated and 1st Battalion inactivated 1950, 2nd and 3rd Battalions disbanded 1952. * 305th Armored Cavalry Regiment – Constituted 1948 in the

and partially organized 1949 in Indiana. Inactivated 1951 and disbanded 1952. *

306th Armored Cavalry Regiment The 306th Armored Cavalry Regiment (306th ACR) was a District of Columbia-based reconnaissance unit of the United States Army Organized Reserve Corps that briefly existed after World War II. The 306th ACR later became a group before being inactivat ...

– Converted and redesignated 1948 in the

and activated 1949. Redesignated 306th Armored Cavalry Group 1950. Inherited lineage of prewar 306th Cavalry Regiment. *

308th Armored Cavalry Regiment The 308th Armored Cavalry Regiment (308th ACR) was a Minnesota-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II. Its 1st Battalion traced its heritage back to a World War II Tan ...

– Constituted 1948 in the

and partially organized 1949 in Minnesota. Inactivated 1950 and disbanded 1952. *

309th Armored Cavalry Regiment The 309th Armored Cavalry Regiment (309th ACR) was a Michigan-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II. History The 309th Armored Cavalry was constituted on 21 October ...

– Constituted 1948 in the

and partially organized 1949 in Michigan. Inactivated 1950 and disbanded 1952. *

310th Armored Cavalry Regiment The 310th Armored Cavalry Regiment (310th ACR) was a California-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II. It was constituted in 1948, partially organized from existing un ...

– Constituted 1948 in the

and partially organized in California. Inactivated 1950 and disbanded 1952. * 311th Armored Cavalry Regiment – Constituted 1948 in the

and partially organized later that year in Texas and Louisiana. Inactivated 1950 and disbanded 1952. *

314th Armored Cavalry Regiment The 314th Armored Cavalry Regiment (314th ACR) was a Tennessee-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II. It was constituted in 1948, partially organized from existing un ...

– Constituted 1948 in the

and partially organized 1949 in Tennessee. Inactivated 1950 and disbanded 1952. *

317th Armored Cavalry Regiment The 317th Armored Cavalry Regiment (317th ACR) was an Illinois-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II. It was constituted in 1948, partially organized from existing uni ...

– Constituted 1948 in the

and partially organized in Illinois. Inactivated 1950 and disbanded 1952. *

320th Armored Cavalry Regiment The 320th Armored Cavalry Regiment (320th ACR) was an Ohio-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II. It was constituted in 1948, partially organized from existing units i ...

– Constituted 1948 in the

and partially organized 1949 in Ohio. Inactivated 1950 and disbanded 1952. *

321st Armored Cavalry Regiment The 321st Armored Cavalry Regiment (321st ACR) was a Virginia-based reconnaissance unit of the United States Army Organized Reserve Corps, which briefly existed after World War II. It was constituted in 1948, partially organized from existing uni ...

– Constituted 1948 in the

and partially organized 1949 in Virginia. Inactivated 1950 and disbanded 1952.

Citations

Bibliography

* Neil Baugardner, Tim Aumiller
Armor-Cavalry Regiments (c2005)
last updated 20 January 2006 * * ''Long Range Component Report''

Mississippi, USA: ''Mississippi Army National Guard Construction and Facilities Management Office''. * * {{Cite book, url=https://books.google.com/books?id=wI8xAQAAIAAJ&q=%22307th+cavalry%22, title=Cavalry regiments of the US Army, last=Sawicki, first=James A., publisher=Wyvern Publications, year=1985, isbn=9780960240463, location=Dumfries, Virginia *

Armored Armour (British English) or armor (American English; see spelling differences) is a covering used to protect an object, individual, or vehicle from physical injury or damage, especially direct contact weapons or projectiles during combat, or f ...

Armoured brigades

1 to 100

101 to 278

300 to 321

See also

Citations

Bibliography