 Complete the following phrase:  Upon their return, a period of leave followed after which the battalion was re-constituted on the Atherton Tablelands in Queensland in April 1943. The battalion was subsequently retrained, re-equipped and reorganised to prepare it for the rigours of jungle warfare and throughout this time several drafts of reinforcements were received. These were mainly drawn from the states of South Australia and Western Australia, which changed the demographics of the battalions personnel. Some personnel were also drawn from Europeans who had been living in New Guinea. Finally, the battalion received orders to deploy to the territory of Papua, and in August 1943 the 22nd arrived at Milne Bay, which had been developed into a large Allied base after the fighting there the previous year. After a month of garrison duties and work parties, the battalion was committed to the final actions of the 