 On 15 April 1940, Leeb became Chief of the Waffenamt (Army Ordnance Weapons Depot) at the War Ministry in Berlin (15 April 1940 – 1 January 1945).His predecessor, Karl Becker, had committed suicide because he was unable to properly supply the field units with ammunition.During this period, Leeb also served as an advisor to the Works Company for Weapons and Mechanical Engineering, which was directed by Hermann Göring in Berlin (17 January 1941 – 29 December 1942), and he then served as a member of the Armaments Advisory Service (December 1942 - 1 May 1945).