sector. On 21 May 2005, the squadron left Camp Taji for Camp Liberty, one of the many camps that encircle Baghdad International Airport. Their new task was to patrol the Abu Ghraib sector just west of Baghdad and to provide perimeter security for Abu Ghraib prison. While in the Abu Ghraib sector, 1/11 ACR participated in Operation Thunder Cat along with the 256th Infantry Brigade of the Louisiana Army National Guard. The operation focused on disrupting IED cells in and around the Abu Ghraib sector, west of Baghdad. During this operation, 1/11 ACR uncovered five separate weapons caches, detained four suspected insurgents and uncovered $2,200 in US currency. The squadron redeployed to Fort Irwin on 22 January 2006 where it resumed its opposing forces mission for the National Training Center. During its deployment, the Nevada Army National Guard's 1st Squadron, 221st Cavalry, the 11th's former official roundout unit, took over the duty of OPFOR. 2nd Squadron The 2nd Squadron is part of the Army's Opposing Force at the National Training Center, conducting battle operations in accordance with published doctrine and combat instructions. While in its role as the 801st Brigade Tactical Group, the Eaglehorse Squadron portrays an opposing force (OPFOR) that trains US forces in the basic principles of combined arms maneuver (CAM) and wide area security (WAS). The regiment trains brigade and battalion task forces during ten rotations a year at the National Training Center, Ft. Irwin, California. Additionally between rotations, the squadron conducts realistic, live-fire based training at the platoon and Bradley crew level. The 1st Battalion (Mechanized), 52d Infantry was inactivated on 26 October 1994 and the 2d Squadron was reactivated in its place by reflagging the existing unit. The 2d Squadron ("Eaglehorse") was activated on 2 February 1901 at Fort Myer, Virginia, and its military campaign geographic areas include the Philippines, Mexico, Europe, Vietnam, and support in Southwest Asia. 2nd Squadron deployed with the regiment to the Philippines to suppress insurgent forces during November 1901. This deployment was commemorated by the bolos becoming part of the Blackhorse crest. The Blackhorse Regiment settled in Fort Des Moines, Iowa in 1905. The 2nd Squadron deployed to Cuba, 16 October 1906, as part of President Theodore Roosevelt's Army of Pacification. Their mission was to patrol and be a show of force. Eaglehorse joined with the General J. Pershing Pancho Villa Expedition in a punitive action against Mexico, with orders