 During the 1936–1939 Arab revolt in Palestine additional forces were established in Palestine by the British including the Jewish Settlement Police, Jewish Supernumerary Police and the joint British-Jewish Special Night Squads.The Colonial Office wanted Charles Tegart to become Inspector-General of the Force in 1937.He refused but joined Sir David Petrie in visiting the territory (December 1937 – January 1938) to advise on dealing with Arab guerrillas.