After the fall of Norway, in June 1940 he briefly commanded V Corps before becoming General Officer Commanding-in-Chief, Southern Command in July 1940, where he had an uneasy relationship with his subordinate Bernard Montgomery, the new V Corps commander.
Setelah jatuhnya Norwegia, pada bulan Juni 1940 ia sempat memerintahkan V Corps sebelum menjadi General Pejabat Komandan-in-Chief, Komando Selatan pada bulan Juli 1940, di mana ia memiliki hubungan yang tidak nyaman dengan bawahannya Bernard Montgomery, komandan V Corps baru.