4th Infantry Division
4th Combat Aviation Brigade
The "Iron Eagles" were first constituted on April 1, 1957, as the 4th Aviation Company, assigned to the 4th Infantry Division and activated at Fort Lewis, Wash. It was reorganized and redesignated Oct. 1, 1963, as Headquarters and Headquarters Company, 4th Aviation Battalion.
The 4th Aviation Battalion deployed to the Republic of Vietnam in September 1966, where it participated in multiple campaigns and was awarded two Republic of Vietnam Crosses of Gallantry and one Republic of Vietnam Civil Action Honor Medal. The unit redeployed back to the United States in 1970. It was inactivated Dec. 4, 1970, at Fort Lewis.
4th Aviation Battalion was redesignated Nov. 21, 1972, as Aviation Company, 4th Infantry Division, and activated at Fort Carson, Colo. It was again reorganized and redesignated March 17, 1980 as Headquarters and Headquarters Company, 4th Aviation Battalion, and again Aug. 16, 1987, as 4th Aviation. In 1995, the unit was relocated to Fort Hood, Texas, with the 4th Infantry Division. On Oct. 1, 2005, the unit was again redesignated as the 4th Aviation Regiment.
The Combat Aviation Brigade, 4th Infantry Division, deployed twice in support of Operation Iraqi Freedom, once in 2005 and again in 2008, and was awarded two Meritorious Unit Citations. The unit's most recent deployment was in 2010 in support of Operation Enduring Freedom, after which the brigade was awarded a Valorous Unit Award. Task Force Iron Eagle supported 22 allied nations across four regional commands, the largest geographical area of any combat aviation brigade.
The Combat Aviation Brigade, 4th Infantry Division, was inactivated in September 2011 at Fort Hood. The 4th CAB Brigade Headquarters and Headquarters Company was reactivated July 2, 2013, at Fort Carson.
One of the first battalions to reactivate, 2nd General Support Aviation Battalion, 4th Aviation Regiment, 4th CAB, activated April 2013. In May 2014, the remaining four battalions reactivated. They were 1st Attack Reconnaissance Battalion, 4th Aviation Regiment; 3rd Assault Helicopter Battalion, 4th Avn. Reg.; 4th ARB, 4th Avn. Reg.; and 404th Aviation Support Battalion.