 Complete the following phrase:  On 1 June 1944, the unit was renamed the 1st Armoured Regiment. The unit then spent the next year in training, and during this time it was based at Southport, Queensland. In May 1945, it took part in the amphibious landings at Balikpapan in support of the 7th Division, being involved in one of the final Australian campaigns of the war in 