Question: Where is the base of the combined arms division which was supported by 4-227 ARB?
Sentence (from "1st Cavalry Division (United States)"): It was formed in 1921 and served during World War II, the Korean War, the Vietnam War, the Persian Gulf War, with the Stabilization Force in Bosnia-Herzegovina, in the Iraq War, in the War in Afghanistan and in Operation Freedom’s Sentinel.
Relevant evidence: No