By early 1945 the liberation of Malaya was planned to commence on 9 September under the code name Operation Zipper. The first landings were to be at Port Swettenham or Port Dickson. Before this took place, on 15 August, the Japanese surrendered. This meant that the plans for a gradual re-establishment of administration over Malaya and the other territories were now obsolete and a vast area including Malaya, Singapore, Burma, Indonesia, British North Borneo, Thailand, Indo-China, Sarawak, and Hong Kong needed to be quickly re-occupied and brought under control.