 Complete the following phrase:  On 7 August the Soviet 26th Army attackedin the Boguslav sector and Fliegerkorps V threw all forces into the battle. Low cloud forced bombers to operate below 75 metres in rolling attacks. 48 tanks and 148 vehicles were claimed halting the attack. KG 51s air fleet claimed 300 vehicles on 54 tanks on the 10 August alone. Fliegerkorps V and KG 51 accounted for 58 tanks, 22 artillery battlers and 300 motor vehicles in the encirclement battle. Losses however, forced the air corps to withdraw four of its bomber groups, III.KG 51 was one of them. At Kiev, KG 51 and Fliegerkorps helped seal the pocket and destroy 727 motor vehicles. At least one staffel number 3 took part in the 