Giffard Le Quesne Martel the Head of the Military Mission to the Soviet Union. He assessed the effectiveness of the Soviet order of battle and tactics during a visit to the frontline in the Kursk-Oryol region between 11 and 19 May 1943. In his autobiography, Martel describes advising the Soviet High Command, Stavka, to allow the Germans to strike first at the Battle of Kursk. To what extent his advice affected the course of the battle is debatable since his first conference with Stavka did not occur until late May 1943 while the Soviet Western Front commander, Marshal Georgy Zhukov, had been advocating the
Battle of Kursk as the spring rasputitsa had subsided. On 13 March, Hitler signed Operational Order No. 5, which authorised several offensives, including one against the Kursk salient. As the last Soviet resistance in Kharkov petered out, Manstein attempted to persuade Günther von Kluge, commander of Army Group Centre, to immediately attack the Central Front, which was defending the northern face of the salient. Kluge refused, believing that his forces were too weak to launch such an attack. Further Axis advances were blocked by Soviet forces that had been shifted down from the Central Front to the area north of Belgorod. By mid-April,