Battle of Kursk raw decrypts directly to Moscow. Cairncross also provided Soviet intelligence with identifications of the Luftwaffe airfields in the region. Soviet politician Anastas Mikoyan wrote that on 27 March 1943, Soviet dictator Joseph Stalin notified him of a possible German attack in the Kursk sector. Stalin and some senior officers were eager to strike first once the rasputitsa ended, but a number of key officers, including Deputy Supreme Commander Georgiy Zhukov, recommended a strategic defensive before going on the offensive. In a letter to the "Stavka" and Stalin, on 8 April, Zhukov wrote: Stalin consulted with his frontline commanders and senior
Battle of Kursk by the British intelligence service and Tunny intercepts. Aware months in advance that the attack would fall on the neck of the Kursk salient, the Soviets built a defence in depth designed to wear down the German armoured spearhead. The Germans delayed the offensive while they tried to build up their forces and waited for new weapons, mainly the new Panther tank but also larger numbers of the Tiger heavy tank. This gave the Red Army time to construct a series of deep defensive belts. The defensive preparations included minefields, fortifications, artillery fire zones and anti-tank strong points, which extended