 Complete the following phrase:  In Darwin, the brigade defended against a possible Japanese invasion. In April 1942, the 211th Battalion was detached from the brigade and sent to its home state of Western Australia; its place in the brigade was taken by a Militia unit, the a href23rd21st20Battalion2028Australia2923rd21st Battaliona, which had been raised in Victoria in May 1942; the 211th Battalion rejoined the brigade in July 1943. While the 16th and 17th brigades from the 6th Division took part in some of the early campaigns in the Pacific, including the Kokoda Track campaign and the 