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The 1st Brigade Combat Team, 1st Cavalry Division (the "Iron Horse Brigade")〔 was constituted 29 August 1917 in the United States Army as Headquarters, 1st Cavalry Brigade. The brigade was organized as part of the 15th Cavalry Division in February 1917 at Fort Sam Houston, Texas. ==History== The brigade's initial wartime service was patrolling the United States–Mexico border, until demobilization on 14 July 1919, at Brownsville, Texas. Operating from horseback, the cavalry was charged with halting the band of smugglers that operated along the desolate Mexican border, performing duties that are today performed by the United States Border Patrol. The brigade was later reconstituted 20 August 1920 in the Regular Army as Headquarters and Headquarters Troop, 1st Cavalry Brigade, an element of the 1st Cavalry Division. On 1 September 1921, the unit organized at Camp Harry J. Jones, in Douglas, Arizona. The brigade fought as infantry in the Pacific Theater of World War II, as did the entire 1st Cavalry Division. It fought on New Guinea, the Bismarck Archipelago, and the Philippines, earning both the United States and the Philippines Presidential Unit Citation. The brigade deactivated 2 March 1949 in Japan and was relieved from assignment from the 1st Cavalry Division. The 1st Brigade Headquarters was converted and redesignated as Headquarters, 1st Constabulary Brigade, on 20 May 1949, and served in Germany. The brigade was relieved from assignment to the United States Constabulary on 24 November 1950. On 15 August 1951, they deactivated in Germany and disbanded on 5 December 1951. The brigade was again reconstituted in the Regular Army, converted, and redesignated on 15 July 1963, as Headquarters and Headquarters Company, 1st Brigade, 1st Cavalry Division. The unit was activated on 1 September 1963 in Korea. The 1st Brigade was transferred to Fort Benning, Georgia, in July 1963 and deployed to Vietnam with the 1st Cavalry Division later that year. Major operations included the Pleiku Campaign, operations in War zone C (III Corps), the Cambodian Campaign, and operations throughout War zone D. The brigade returned to Fort Hood in July 1971. In June 1972, the brigade received the official designation of "IRONHORSE". The brigade deployed to Operation Desert Shield/Storm in October 1990 and conducted military operations with allied forces throughout the 6 month Gulf War. The 1st Brigade redeployed to Fort Hood, Texas, in April 1991. Since then, elements of the brigade have deployed to Guantanamo Bay from May–June 1992 for Operation Island Sentinel, to the Emirate of Kuwait, and the National Training Center at Fort Irwin, California, for annual training. In April 1998, the brigade was alerted for peace enforcement duty in Bosnia and Herzegovina as part of Stabilization Forces (SFOR) 4 on Operation Joint Forge. For this mission, the 8th Cavalry Regiment from the 2nd Blackjack Brigade was attached to the 1st Brigade. The 12th Cavalry Regiment was attached to the 2nd Brigade since at the time of deployment they were receiving and fielding the M1A2 tank. The brigade deployed to Bosnia from August 1998 until March 1999 and was crucial to maintaining peace and stability during a very critical and potentially violent time in Bosnia where new governments were forming and the post-war tension was at its peak. In 2002 the 1st brigade was the first brigade in the First Cavalry Division to transition to Force XXI and received the new M1A2 SEP (System Enhancement Package) tank into its two tank battalions (1–12 Cav and 2–8 Cav) in addition to other modernized, digitally enhanced equipment. In March 2004 the 1st Bde. Deployed along with the rest of the 1st Cav in support of Operation Iraqi Freedom II. It was responsible for securing the eastern part of Baghdad, specifically Sadr City and the surrounding area. After a grueling year of combat operations, mostly against Shia Miltias, the 1st Brigade redeployed to Ft Hood in March 2005. In November 2006 the 1st deployed yet again to Iraq for OIF 06-08, this time securing the area around Taji 30 miles north of Baghdad. The brigade redeployed to Ft Hood in January 2008. About 600 soldiers from the US Army’s 1st Brigade, 1st Cavalry Division are to deploy to Poland and the Baltic States in October 2014 to help reassure the European allies of the United States who feel threatened by Russian military moves. The brigade will be the next unit to take part in ongoing land forces exercises that fall under the umbrella of Operation Atlantic Resolve 〔http://estonianworld.com/security/600-us-soldiers-deploy-poland-october/〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「1st Brigade Combat Team, 1st Cavalry Division (United States)」の詳細全文を読む スポンサード リンク
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