Both sides were grounded by poor weather for several days and on 22 August 1940, Hermann Göring, commander-in-chief of the , dissatisfied with his wing commanders and feeling that younger and more aggressive leaders were needed for the battle, replaced eight . Handrick was replaced by Galland who agreed with Göring that the sole measure of success in a fighter leader was the number of aircraft shot down. Galland began weeding out those he deemed unfit and promoting those he saw as able; Schöpfel and Müncheberg were among those promoted to command . From 22 to 30 August, JG 26 were credited with 23 fighters for two killed, two captured and one wounded. On the final day of August, 15 fighters were destroyed for two killed and three captured. In the first week of September, the battles against the airfields died down, as OKL changed tactics. In the first six days, JG 26 were credited with 21 fighters destroyed for the loss of two dead and three prisoners. With Hitler's approval, the began to attack military objectives in London.