The 3rd United States Infantry Regiment is a regiment of the United States Army. It currently has three active battalions, and is readily identified by its nickname, The Old Guard, as well as Escort to the President. The regimental motto is Noli Me Tangere. The regiment is a major unit of the Military District of Washington (MDW). The 3rd Infantry is the oldest regiment still active in the Regular Army, having been first organized as the First American Regiment in 1784. It has been the official ceremonial unit of the U.S. Army since 1948.
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 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 205th Infantry Brigade, was first formed as part of the United States Army Reserve's 103rd Division. It was active from 1921 to 1942 and then from 1963 through 1994, and then reformed in 2006.
The 68th Armor Regiment is an armored regiment of the United States Army. It was first activated in 1933 in the Regular Army as the 68th Infantry Regiment.
The 555th Engineer Brigade "Triple Nickel" is a combat engineer brigade of the United States Army based at Joint Base Lewis-McChord, Washington. The brigade is a Corps separate falling directly under I Corps. The 555 numbering was first used in 1947, but the brigade traces its history to a group active under the 1103d designation from 1943 to 1946.
The 52nd Infantry Regiment is an infantry regiment of the United States Army.
The U.S. 41st Infantry Regiment is a regiment of the United States Army. Its 1st Battalion is currently assigned to the 2nd Stryker Brigade Combat Team, 4th Infantry Division. Its 3rd Battalion was assigned to the 1st Armored Brigade Combat Team, 1st Armored Division, which was replaced in 2018 by 4th Battalion, 70th Armor Regiment, 1st Brigade Combat Team, 1st Armored Division.
The 37th Engineer Battalion was an airborne engineer battalion in the United States Army, subordinate to the 2d Brigade Combat Team, 82d Airborne Division, based at Fort Liberty, North Carolina. The 37th Engineer Battalion was reactivated in the 82d Airborne Division as part of the United States Army new BCT 2020 concept in which each BCT's Special Troops Battalions would be inactivated and reactivated as Brigade Engineer Battalions. Prior to this, the battalion was a subordinate unit of the 20th Engineer Brigade assigned to XVIII Airborne Corps.
The 412th Theater Engineer Command is a United States Army Reserve unit that conducts theater-level engineer operations for Eighth U.S. Army, Korea; U.S. Army Europe; and U.S. Army Pacific, supports continental U.S. – based engineer requirements as directed, and is prepared to participate in Joint and Combined regional contingency operations.
The 31st Engineer Battalion, known during World War II as the 31st Engineer Combat Battalion, is a combat Engineer Battalion in the U.S. Army
The 864th 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 555th Engineer Brigade.
The 5th Field Artillery Regiment was constituted as part of the Regular Army in January 1907. Individual battalions have lineages which date back further. Currently, it is a parent regiment under the U.S. Army Regimental System, with a single active battalion, the 1st Battalion, 5th Field Artillery, which is assigned to the 1st Brigade Combat Team, 1st Infantry Division at Fort Riley, Kansas.
The 67th Armored Regiment is an armored regiment in the United States Army. The regiment was first formed in 1929 in the Regular Army as the 2nd Tank Regiment (Heavy) and redesignated as the 67th Infantry Regiment (Medium Tanks) in 1932. It first became the 67th Armor in 1940. The regiment participated in World War I, World War II, Desert Storm/Desert Shield, Operation Iraqi Freedom, Operation Enduring Freedom, Operation Spartan Shield, Operation Inherent Resolve, Operation Resolute Support, and Operation Freedom's Sentinel.
The 46th Engineer Battalion is a military engineer unit in the United States Army that was formally established in 1917.
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 6th Field Artillery Regiment is a Field Artillery Branch regiment of the United States Army first activated in 1907 from numbered companies of artillery. It was first organized with two battalions.
The 42nd Field Artillery Regiment is a field artillery regiment of the United States Army, first constituted 5 July 1918 in the National Army. The 4th Battalion was nicknamed the Straight Arrows. The Regimental motto is Festina Lente.
The 7th Engineer Battalion is a unit of the United States Army located at Fort Drum, New York. This battalion falls under the 10th Mountain Division's 1st Brigade Combat Team. The battalion has the Brigade Combat Team's engineer companies, military intelligence company, and signal company.
The 91st Engineer Battalion is a military engineer unit in the United States Army. The battalion, which was composed mainly of African-American troops, served in the Pacific Theater of Operations during World War II, when it was known as the 91st Engineer General Service Regiment. After the war, the unit was deactivated as part of the demobilization process. It was reactivated in 1952 and remained in existence until the early 1970s. In 1991 it was reactivated, after which it was employed on operations in Yugoslavia, Kuwait, Chad and Iraq before being deactivated again in 2005. On 16 October 2013, it was assigned to the 1st Brigade Combat Team, 1st Cavalry Division, and activated at Fort Hood, Texas.
