Al-Taji airfield, located in the volatile area nicknamed the Sunni Triangle, was originally an Iraqi Republican Guard base during the Saddam era.

Taji was heavily bombed during Operation Desert Fox in which 13 different targets in the Camp were hit during the December 1998 air strikes.

In April 2003, Al Taji was an airfield and supply depot for Saddam Hussein's Iraqi Army start of the Iraq War.

After Co. C 5th Engineers and a National Guard infantry unit had already cleared the Airfield and supply depot, several weapons and mortar caches were found and taken control of on Taji and the surrounding area.

The 5th Battalion, 3rd Field Artillery Regiment from Fort Sill, Oklahoma, also arrived in early May 2003 to provide security support for the Airfield until they were reassigned to Camp Cedar II (Tallil Air Base) in the late fall of 2003.

(Captured Enemy Materials) warehouses, storing weapons, ammunition, vehicles, statues, and anything deemed historically significant.

The 452nd Quartermaster Army reserve unit from Winthrop, Mn was there providing much needed fuel and supplies for the day-to-day operations of the base.

(Captured Enemy Materials) warehouses, storing weapons, ammunition, vehicles, statues, and anything deemed historically significant.

3rd BCT had been in the process of redeploying, some of its elements having already moved to Kuwait, when it was informed that it would have to assume control of Camp Taji until units from 1st Cavalry Division arrived in March.

3rd BCT was relieved at Camp Taji on 24 March 2004 by 1st Battalion, 206th Field Artillery, an element of the 39th Brigade Combat Team, 1st Cavalry Division.

The 1–118th Field Artillery Battalion, of the 48th IBCT, Georgia Army National Guard was attached to 3rd BCT, 1AD during this time.

51 RAOC was relieved of Mayor Cell responsibilities by 1st Battalion, 151 Field Artillery Regiment, Minnesota National Guard.

Upon re-deployment the 6–32 FA BN was re-designated the 6–32 FAR and was deactivated at Fort Sill, OK. 4th Infantry Division elements stationed at Camp Taji included: On April 24, 2004, Camp Taji came under rocket attack, resulting in 4 killed in action, all members of the 39th Support Battalion, an element of the 39th Brigade Combat Team.

The Mayor Cell was supplied at this time by 786th Quarter Master Battalion from the Virgin Islands National Guard.

Also in 2007, The 756th Transportation Company (Petroleum, Oils, and Lubricants), while stationed at Camp Taji, Iraq, in support of Operation Iraqi Freedom 05–07, successfully delivered millions of gallons of class IIIB (bulk petroleum) and transported fuel over 200,000 miles throughout the Multinational Division-Baghdad sector.

On August 15, 2007, nine rockets hit Camp Taji, including one at the PX immediately next to the Pizza Hut booth.

Force protection duties were performed by a number of units, including elements of the California Army National Guard's 1–143rd FA.

2–11 FA was relieved of the BDOC mission by 1st Battalion, 108th Field Artillery Regiment of the Pennsylvania Army National Guard in January 2009.

[citation needed] The 155th Heavy Brigade Combat Team (HBCT), Mississippi National Guard, assumed the dual role of Garrison Command and Base Defense Operations Center in July 2009, relieving both the 949 BSB and the 1–108th FA.

[11] As of March 6, 2010 the 278th Armored Cavalry Regiment (Tennessee Army National Guard) officially took charge of Camp Taji Garrison Command, relieving the 155th.

The downsizing continued and the far north section of Camp Taji was turned over to the Iraqi Government in December 2010.

[citation needed] Three days after the killing of Osama bin Laden (May 1, 2011), on May 4, 2011 at around 05:00, a barrage of 120 rockets, mortars and artillery rounds fell on the camp.

Units include: Since April 2015, the Australian Army has maintained a several hundred strong training team at the base, designated Task Group Taji.

[20] The commanders have been: In March 2020, rocket attacks targeted Camp Taji which killed two Americans and one British soldier.

[24] In December 2004 and until October 2010, Camp Taji reportedly boasted the largest PX facilities in Iraq, with Subway, Burger King and Pizza Hut franchises.

Although the PX facility is large, it remains poorly stocked in comparison to Baghdad and Balad due to supply issues.

[citation needed] Since 2013, the Base Life Support services have been held by SOS International LLC providing services to Foreign Military Sales customers, who in turn support Iraq Army equipment and training as well as US Military and Coalition Forces.