The 501st Military Intelligence Battalion was located in Wackernheim, Germany which is just 10 km west of Mainz in the state of Rhineland Pfalz. McCully Barracks is located in the orchard-covered hills overlooking the Rhine River. Prior to being headquartered in Wackernheim, Germany, the 501st Military Intelligence Battalion was located in Dexheim, Germany, at Anderson Barracks and Ansbach, Germany, Katterbach Kaserne.