 After the soldiers returned from leave, a period of re-organisation and training followed on the Atherton Tablelands before the 24th Battalion deployed with the rest of the 15th Brigade to Bougainville in April 1945.On Bougainville the battalion took part in the drive to Buin in the southern sector, leading the advance to the Hongorai River along the Buin Road in April and early May, during which time they were involved in several small unit actions.Further actions were fought by the battalion around Egan's Ridge and Mayberry's Crossing in mid-May as the battalion crossed the Pororei River.