Where is the base of the combined arms division which was supported by 4-227 ARB?
4th Battalion, 227th Aviation Regiment: The 4th Battalion 227th Aviation Regiment is an attack reconnaissance battalion, also known as 4-227 ARB supporting the 1st Cavalry Division. 1st Cavalry Division (United States): The 1st Cavalry Division ("First Team") is a combined arms division and is one of the most decorated combat divisions of the United States Army, as well as the other four branches of the U.S. military. 1st Cavalry Division (United States):  It is based at Fort Hood, Texas.
Fort Hood, Texas