 Complete the following phrase:  On June 1, 1941, its commanding officer, Straube, was promoted to Lieutet General, as German forces prepared for Operation Barbarossa, which the division was to take part in. It was made a component of General of the Artillery Wilhelm Fahrmbachers VII Army Corps, itself part of Army Group Centres Second Army. The division took part in successful actions in the opening weeks, with the Brest Fortress 