 Complete the following phrase:  By early 1942, the Japanese had entered the war, and the Australian government decided to bring some of its troops from the Middle East back to Australia to bolster its defences. The 216th embarked at the end of January 1942, and returned to Australia, landing at Adelaide in March 1942 after a brief stopover in Fremantle. A period of reorganisation followed as they were prepared for the hardships of jungle warfare, during which time Potts handed over command of the battalion to Lieutet Colonel Albert Caro; however, the situation in the Pacific at the time was desperate for the Australians, following Japanese victories in Malaya, Singapore, Rabaul and 