 Complete the following phrase:  At this time, the 30th Battalion was again attached to the 8th Brigade and undertook garrison duties in New South Wales. In March 1942, the 30th Battalion occupied defensive positions in North Sydney including beach defences to respond to possible Japanese landings at Manly, Freshwater Beach, and Curl Curl. Later the 30th was sent to Greta, where it concentrated with the rest of the 8th Brigade before being transferred to Western Australia. The 30th Battalion remained there until late 1943 when they were moved to Queensland to undertake training for possible deployment overseas. In early 1944, the units of the 8th Brigade were dispatched to New Guinea in support of the 9th Division which was taking part in the Huon Peninsula campaign. During this time, the 30th Battalions most notable involvement came during the 