Dyersburg Army Air Base is an inactive United States Air Force base, approximately 2 miles north of Halls, Tennessee. It was active during World War II as a training airfield. It was closed on 30 November 1945 Dyersburg AAB was the largest combat aircrew training school built during the early war years. It was the only inland B-17 Flying Fortress training base east of the Mississippi River. The base was located on , not including the practice range. Approximately 7,700 crew men received their last phase training at DAAB. 114 crew men lost their lives.