The 115th Field Artillery Brigade, known as “Cowboy Thunder” is an artillery formation 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 ...

, raised by the Wyoming Army National Guard. It is headquartered in

Cheyenne, Wyoming Cheyenne ( or ) is the capital and most populous city of the U.S. state of Wyoming, as well as the county seat of Laramie County, Wyoming, Laramie County, with 65,132 residents, per the 2020 US Census. It is the principal city of the Cheyenne ...

. Its history stretches back to the 1800s when

Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the s ...

was a U.S. territory. The first muster formation was in 1888 as 1st Regiment Infantry. It was redesignated as the 115th Field Artillery Brigade September 1, 1978. The Headquarters and Headquarters Company, 197th Armored Cavalry Group, and the 115th and 117th Tank Battalions were consolidated 1 March 1951 to form the 115th Armored Cavalry, with headquarters at Cheyenne. Headquarters and Headquarters Company, 115th Armored Cavalry, converted and redesignated 16 January 1953 as Headquarters and Headquarters Battery, 115th Field Artillery Group (remainder of regiment—hereafter separate lineages). Redesignated 1 August 1959 as Headquarters and Headquarters Battery, 115th Artillery Group. Consolidated 18 December 1967 with Company C, 102d Engineer Battalion (organized and Federally recognized 25 September 1956 at Cheyenne), and consolidated unit designated as Headquarters and Headquarters Battery, 115th Artillery Group. Redesignated 1 May 1972 as Headquarters and Headquarters Battery, 115th Field Artillery Group. Redesignated 1 September 1978 as Headquarters and Headquarters Battery, 115th Field Artillery Brigade. In 1959, the 300th Armored Field Artillery Battalion was consolidated with two other armored field artillery battalions into the 49th Field Artillery under the Combat Arms Regimental System. In 1996, the 49th was reorganized and redesignated as the 300th Field Artillery. In the mid 1980s, the brigade consisted of the 1st Battalion, 49th Field Artillery Regiment, and the 3rd Battalion, 49th Field Artillery.Isby and Kamps 1985. The regiment had a long history, dating back to units formed in the

Wyoming Territory The Territory of Wyoming was an organized incorporated territory of the United States that existed from July 25, 1868, until July 10, 1890, when it was admitted to the Union as the State of Wyoming. Cheyenne was the territorial capital. The bou ...

. On 1 September 1996, both battalions were reorganized into a single towed artillery battalion, the 2-300 FA. The new battalion remained headquartered in Sheridan.

Current Structure

* 115th Field Artillery Brigade (115th FAB), Wyoming Army National Guard ** Headquarters and Headquarters Battery (HHB), Wyoming Army National Guard ** 1st Battalion, 121st Field Artillery Regiment (1-121st FAR) ( HIMARS) High Mobility Artillery Rocket System,

Wisconsin Army National Guard The Wisconsin Army National Guard ("Guard") has dual state and federal roles, and is jointly funded and maintained by both governments. Its federal mission is to provide trained units to the United States Army in time of war or national emergenc ...

** 1st Battalion, 151st Field Artillery Regiment ( M777A2) (1-151st FAR),

Minnesota Army National Guard The Minnesota Army National Guard, along with the Minnesota Air National Guard, is an element of the Minnesota National Guard. The Constitution of the United States specifically charges the National Guard with dual federal and state missions. I ...

** 2nd Battalion,

300th Field Artillery Regiment The 300th Field Artillery Regiment is a Field Artillery regiment of the United States Army. Lineage Parent unit organized in the Wyoming National Guard during 1888 as the 1st Regiment, to consist of troop A. at Laramie and troop B. at Cheyenne. ...

(2-300th FAR) ( HIMARS) High Mobility Artillery Rocket System, Wyoming Army National Guard ** 960th Brigade Support Battalion (960th BSB), Wyoming Army National Guard ** 148th Signal Company, Wyoming Army National Guard Affiliated field artillery battalions under administrative control of other brigades: *

196th Maneuver Enhancement Brigade 196th may refer to: *196th (2/1st Highland Light Infantry) Brigade, Territorial Force division of the British Army during the First World War *196th Battalion (Western Universities), CEF, unit in the Canadian Expeditionary Force during the First Wo ...

(196th MEB), South Dakota Army National Guard ** 1st Battalion, 147th Field Artillery Regiment (1-147th FAR)(

M270 MLRS The M270 Multiple Launch Rocket System (M270 MLRS) is an American-developed armored, self-propelled, multiple rocket launcher. The U.S. Army variant of the MLRS vehicle is based on the chassis of the Bradley Fighting Vehicle. The first M270s ...

) Multiple Launch Rocket System **1st Battalion, 144th Field Artillery Regiment (1-144th FAB)( M109A6 howitzer)

References

{{Reflist Field artillery brigades of the United States Army Military units and formations established in 1953