 Complete the following phrase:  The corps was formed on 20 May 1940 in Wehrkreis IV with a home station at Naumburg, which was changed to Bautzen on 8 June. It was initially part of the Oberkommando des Heeres Reserve, becoming part of 9th Army of Army Group A in northern France by July. It transferred to the 17th Army of Army Group B in the General Government during March and April 1941 in preparation for Operation Barbarossa, the German invasion of the Soviet Union. The corps transferred to the 6th Army with Army Group B in May, fighting with the army as part of Army Group South when the invasion began on 22 June. It Included the 111th, 299th, and 56th Infantry Divisions on 1 May. The corps participated in actions along the Bug River, the 