The 506th Infantry Regiment, originally designated the 506th Parachute Infantry Regiment during World War II, is an airborne light infantry regiment of the United States Army. Currently a parent regiment under the U.S. Army Regimental System, the regiment has two active battalions: the 1st Battalion, 506th Infantry Regiment is assigned to the 1st Brigade Combat Team, 101st Airborne Division, and the 2nd Battalion, 506th Infantry Regiment is assigned to the 3rd Brigade Combat Team, 101st Airborne Division.
The 2nd Brigade Combat Team, 1st Infantry Division, also known as the Dagger Brigade, is a maneuver brigade combat team in the 1st Infantry Division of the U.S. Army stationed in Fort Riley, Kansas.
The 41st Infantry Brigade Combat Team ("Sunset") is an element in the Oregon Army National Guard. Headquartered at Camp Withycombe, Clackamas, Oregon, it was part of the 7th Infantry Division based at Ft. Carson in Colorado. The brigade traces its lineage back to the 41st Infantry Division.
The 9th Engineer Battalion is a unit of the United States Army that deploys to designated contingency areas and conducts combat and/or stability operations in support of a brigade combat team. It is a divisional mechanized combat engineer unit, composed of three line companies and a headquarters company. Its mission is to provide assured mobility, counter-mobility, general engineering, and survivability support, with well trained sappers ready to deploy anywhere at any time. The unit's history spans service in 1917 in the US southwest, World War II in France and Germany, multiple deployments to the Balkans, and multiple deployments in support of the global war on terrorism in Iraq and Afghanistan. It is most famous for the capture of the Ludendorff Bridge across the Rhine River. As of 18 May 2015, the battalion exists as the 9th Brigade Engineer Battalion in Fort Stewart, GA under 2nd Armored Brigade Combat Team, 3rd Infantry Division.
The 519th Military Intelligence Battalion is a unit of the United States Army.
The 1st Engineer Battalion is a combat engineer unit of the United States Army that provides sustained engineer support across the full spectrum of military operations. The 1st Engineer Battalion is the oldest and most decorated engineer battalion in the US Army, tracing its lineage to the original Company of Sappers and Miners organized at West Point, New York in 1846.
The 725th Brigade Support Battalion (BSB) (Airborne) is a support battalion assigned to the 2nd Infantry Brigade Combat Team (Airborne), 11th Airborne Division located in Alaska, which is one of two brigade combat teams assigned to 11th Airborne Division. The unit provides support for the infantry, artillery and cavalry units assigned to the brigade. The 725th consists of eight support companies. The 725th used to be known as the 167th Support Battalion. The unit's motto is "Service to the Line".
The 64th Brigade Support Battalion, nicknamed "Mountaineers," is a United States Army support battalion, assigned to the 3rd Armored Brigade Combat Team, 4th Infantry Division in Fort Carson, Colorado.
The 20th Infantry Regiment is a United States Army infantry regiment. Currently only the 5th Battalion of the 20th Infantry still exists. Stationed at Joint Base Lewis-McChord and part of the 1st Stryker Brigade Combat Team, 2nd Infantry Division, 5-20 Infantry was one of the original battalions selected to take part in the testing and fielding of the U.S. Army's then-new Stryker vehicle. During the Vietnam War, elements of the regiment carried out the My Lai massacre.
The 1st Infantry Division Sustainment Brigade is a sustainment brigade of the United States Army based at Fort Riley, Kansas. It provides logistics support to the 1st Infantry Division.
The 296th Brigade Support Battalion is a battalion of the United States Army composed of four companies that support the operations of the 1/2 ID SBCT. The companies are Headquarters and Headquarters Company (HHC), Alpha Company, Bravo Company, and Charlie Company.
The 50th Infantry Brigade Combat Team was an infantry brigade combat team of the United States Army National Guard of New Jersey. It was headquartered at the Lawrenceville Armory.
The 75th Field Artillery Brigade is an artillery brigade in the United States Army. It is currently based in Fort Sill, Oklahoma and supports the III Armored Corps. The brigade is officially tasked to train and prepares for combat; on orders deploys to any area of operations to plan, synchronize and execute combined, and joint fires and effects. Integrate attached ground and air maneuver forces and on order function as a maneuver headquarters in support of full spectrum operations.
The 1st Brigade Combat Team, 10th Mountain Division is an active Infantry Brigade Combat Team of the United States Army based at Fort Drum in New York. The brigade headquarters carries the lineage of the 10th Mountain Division's original headquarters company, and served as such in World War II, and in peacetime at Fort Riley, Fort Benning, and West Germany in the 1940s and 1950s.
The 4th Brigade Combat Team, 10th Mountain Division is an inactive infantry brigade combat team. Based at Fort Polk, Louisiana, the brigade was active from 2005 to 2015. It was a subordinate formation of the 10th Mountain Division.
The 173rd Brigade Support Battalion (Airborne) is a subordinate unit of the 173rd Infantry Brigade Combat Team (Airborne) in the United States Army based in Vicenza, Italy.
125 Brigade Support Battalion The 125th Forward Support Battalion was constituted in 1936 at the 3rd Battalion, 49th Quartermaster Regiment and activated on 1 April 1942 at Berkeley, California, as the 3rd Battalion, 49th Quartermaster Truck Regiment. The 3rd Battalion was broken up and separated in 1943 and its element reorganized and redesignated. On 17 December 1943 the Headquarters and Headquarters Detachment was redesignated as the Headquarters and Headquarters Detachment, 125th Quartermaster Battalion, Mobile. In 1946, the battalion was converted to the 125th Transportation Corps Truck Battalion and inactivated.
The 14th Brigade Engineer Battalion is a Combat Engineer Battalion of the United States Army based at Joint Base Lewis-McChord, Washington. The battalion is a subordinate unit of the 2nd Stryker Brigade, 2nd Infantry Division, and I Corps. The battalion's official motto is "Gong Mu Ro" and battle cry "Rugged!".
The 299th Cavalry Regiment, formerly the 299th Infantry Regiment, nicknamed "The Koa Squadron", is a unit of the Hawaii Army National Guard. It was established in 1923 from the old 2nd Hawaiian Infantry Regiment, and it served during World War II as part of the 24th Infantry Division. The name "Koa" comes from the Hawaiian word for "Warrior", and is currently headquartered in Hilo, Hawaii. The 1st and 2nd Battalions, 299th Infantry were federally activated in 1968 to support the United States Army Pacific during the Vietnam War. More recently 2nd Battalion, 299th Infantry Regiment deployed to Iraq and again after being re-flagged in 2007 as 1st Squadron, 299th Cavalry Regiment.
The 525th Expeditionary Military Intelligence Brigade (Expeditionary) is a unit of the United States Army specializing in the acquisition and analysis of information with potential military value. On 28 October 2014, the unit was reflagged from the "525th Battlefield Surveillance Brigade" to an expeditionary military intelligence brigade, the first of its kind.
United States 
