The 3rd Infantry Division (3ID) is a combined arms division of the United States Army based at Fort Stewart, Georgia. It is a subordinate unit of the XVIII Airborne Corps under U.S. Army Forces Command. Its current organization includes a division headquarters and headquarters battalion, two armored brigade combat teams, one aviation brigade, a division artillery, a sustainment brigade and a combat sustainment support battalion along with a maneuver enhancement brigade. The division has a distinguished history, having seen active service in World War I, World War II, the Korean War, and the Global War on Terror. The Medal of Honor has been awarded to 61 members of the 3rd Infantry Division, making the division the most honored in the Army.
The 1st Infantry Division (1ID) is a combined arms division of the United States Army, and is the oldest continuously serving division in the Regular Army. It has seen continuous service since its organization in 1917 during World War I. It was officially nicknamed "The Big Red One" after its shoulder patch and is also nicknamed "The Fighting First". The division has also received troop monikers of "The Big Dead One" and "The Bloody First" as puns on the respective officially sanctioned nicknames. It is currently based at Fort Riley, Kansas.
The 4th Infantry Division is a division of the United States Army based at Fort Carson, Colorado. It is composed of a division headquarters battalion, three brigade combat teams, a combat aviation brigade, a division sustainment brigade, and a division artillery.
The 10th Mountain Division (Light Infantry) is an elite light infantry division in the United States Army based at Fort Drum, New York. Formerly designated as a mountain warfare unit, the division was the only one of its size in the US military to receive specialized training for fighting in mountainous conditions. More recently, the 10th Mountain has advised and assisted Iraqi Security Forces in Iraq and People's Defense Units in Syria.
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 509th Infantry Regiment is an airborne infantry regiment of the United States Army. The unit was initially activated as a single battalion, the 504th Parachute Infantry Battalion, in October 1941 at Fort Benning, Georgia. Nicknamed "Geronimo", the 509th conducted the U.S. Army's first combat jump during World War II on 8 November 1942, flying 1,500 miles from England to seize Tafarquay airport in Oran, Algeria. The 509th made a total of five combat jumps during the war.
Below is an estimated list of the major units deployed within the Multi-National Force – Iraq and other United States military units that were operating in Iraq under the U.S. Central Command (USCENTCOM) in 2009, during the Iraq War.
The 13th Armored Corps Sustainment Command—the "Lucky 13th"—is a U.S. Army modular sustainment command which serves as a forward presence for expeditionary operations for a theater, or in support of a regional combatant commander. Corps Sustainment Commands (CSC), such as the 13th, synchronize distribution of supplies and services within their operational areas and provides distribution oversight. Formed at Fort Cavazos, Texas when the 1st Logistics Command deployed to Vietnam, the organization then known as the 13th Support Brigade was initially responsible for the training of technical services units to assume combat service support missions in Southeast Asia.
The 87th Infantry Regiment is an infantry regiment in the United States Army. The regiment's 1st and 2nd Battalions are light infantry units assigned to the 1st and 2nd Brigade Combat Teams respectively of the 10th Mountain Division located at Fort Drum, New York. The 3rd Battalion was active in the U.S. Army Reserve in Colorado. The 4th Battalion was a Regular Army unit assigned to the 3rd Brigade Combat Team of the 25th Infantry Division (Light) at Schofield Barracks, Hawaii.
The 2nd Brigade Combat Team, 10th Mountain Division is an infantry Brigade Combat Team of the United States Army based at Fort Drum, New York. It is a subordinate unit of the 10th Mountain Division.
The 30th Infantry Regiment is a United States Army infantry regiment. Two battalions are currently active under the United States Army Regimental System; there is no active regimental headquarters, with regimental designation being used only for historical tradition.
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 45th Sustainment Brigade was a sustainment brigade of the United States Army based at Schofield Barracks, Hawaii. The 45th SB was directly subordinate to the 8th Theater Sustainment Command until 2015 when the Army aligned sustainment brigades to major divisions. The 45th SB was then re-designated to the 25th Sustainment Brigade, with the 25th Infantry Division obtaining complete administrative and operational control.
The 48th Infantry Brigade Combat Team is a modular infantry brigade of the Georgia Army National Guard. One of the oldest units in U.S. Army history, the lineage of the 48th Infantry Brigade can be traced back to 1825. It is one of few units in the US military that also saw service as a unit of the Confederate States of America during the American Civil War. Today, the 48th IBCT is part of the U.S. Army's "Associated Units" program where it is aligned under the 3rd Infantry Division, a combined arms combat maneuver unit of the Regular Army.
The 53rd Infantry Brigade Combat Team is an infantry brigade combat team of the Florida Army National Guard. The 53rd Infantry Brigade is the largest National Guard unit in the state of Florida. The brigade was one of fifteen enhanced readiness brigades, designed and trained to support active duty divisions. The brigade includes 32 units in Florida and Alabama with 4,166 authorized personnel.
The 64th Armor Regiment is an armor regiment of the United States Army, organized under the United States Army Regimental System. It is descended from the 758th Tank Battalion (Light) that served in the Italian campaign during World War II. Redesignated as the 64th Tank Battalion, it was assigned to the 3rd Infantry Division during the Korean War and it spent most of the Cold War stationed in West Germany before elements were transferred to Ft. Stewart, Georgia in the late 1990s. The regiment participated in Desert Shield, Desert Storm, Desert Fox, Desert Spring, Operation Iraqi Freedom and Operation Enduring Freedom.
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 2nd Infantry Brigade Combat Team (Airborne), 11th Airborne Division is an airborne infantry brigade combat team (BCT) of the United States Army. The unit is stationed at Joint Base Elmendorf-Richardson in Anchorage, Alaska and is the only airborne brigade combat team in the Pacific Theater. It is also the newest airborne Infantry BCT and one of only five in the United States Army; the others are the three Infantry BCTs of the 82nd Airborne Division and the 173rd Airborne Brigade.
In 2009, the United States and NATO International Security Assistance Force (ISAF) coalition, along with Afghan National Army forces, continued military operations against the Taliban in Afghanistan. 2009 marks the eighth year of the War in Afghanistan, which began late in 2001. And 75th ranger regiment is also in Afghanistan as of 2018
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.
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United States Army 
3rd Infantry Division 
