 Complete the following phrase:  The Soviet advance into Berlin followed a pattern of massive shelling followed by assaults using house-clearing battle groups of about 80 men in each, with tank escorts and close artillery support. On 27 April, the remts of Nordland were pushed back into the central government district Zitadelle sector in Defence sector Z. There, Krukenbergs Nordland headquarters was a carriage in the Stadtmitte U-Bahn station. Fighting was very heavy and by 28 April 108 Soviet tanks had been destroyed in the southeast of Berlin within the S-Bahn. The French squads under Fenets command accounted for about half of the tanks. Fenet and his battalion were given the area of Neukölln, Belle Alliance Platz, Wilhelmstrasse and the Friedrichstrasse to defend. On 28 April, the Red Army started a full-scale offensive into the central sector. Charlemagne was in the center of the battle zone around the Reich Chancellery. French SS man Eugene Vaulot, who had destroyed two tanks in Neukölln, used Panzerfausts to claim six more near the Führerbunker. He was awarded the Knights Cross of the Iron Cross by Krukenberg on 29 April. Vaulot was killed three days later by a Red Army sniper. Second Lieutet Roger Albert-Brunet destroyed four Soviet tanks by Panzerfaust on 29 April 1945. He was awarded the Iron Cross 1st class by Krukenberg. During the fighting, Fenet was wounded in the foot. The Soviets forces drove what was left of the battalion back to the vicinity of the Reich Aviation Ministry in the central government district under the command of SS-Brigadeführer Wilhelm Mohnke. For the combat actions of the battalion during the 