南海艦隊
In September 1945 Christison deputised for Admiral Lord Louis Mountbatten as commander of South East Asia Command, and took the surrender of the Japanese Seventh Area Army and Japanese South Sea Fleet at Singapore on 3 September. From 1946, Christison was Allied Commander of forces in Indonesia. In November, Christison's troops were involved in the Battle of Surabaya against pro-Independence Indonesian soldiers and militia in Surabaya.