The Germans tried again in 1943 to regain the momentum in the Eastern Front by launching a massive pincer movement at the Kursk salient where 1/6th of all Soviet forces were deployed. The spearheads would be the German 9th Army and the 2nd Panzer Army from the north and the 4th Panzer Army along with Army Detachment Kempf from the south. The Soviets believed the heaviest blow would come from the north and massively reinforced the sector directly opposite 9th Army. By July 1943, the 9th Army had become the largest army ever fielded by the Germans even surpassing the much vaunted 6th Army with 335,000 men along with 600 tanks.