<prompt> Bhala okuqhubekayo kwalesi sigaba - I- 30th Brigade yayiyiyunithi yezempi yase-Australia. Yakhiwa ngoDisemba 1941, njengengxenye yeMilitia, iyunithi yakhuliswa ukuze isebenze phakathi neMpi Yezwe Yesibili. Eyasungulwa njengempendulo yokungena kweJapan empini, amayunithi angaphansi kwebhikidi asungulwa ezifundazweni eziningana zase-Australia. Abanye balaba base bethunyelwe kakade eNew Guinea ngaphambi kokuba kumiswe indlunkulu yebutho, nakuba iningi labo lafika lapho ekuqaleni kuka-1942. Ngemuva kokufika kwabo, ibutho laqala ukuhlinzeka ngamasosha ePort Moresby ngaphambi kokubamba iqhaza ekulweni ngaseKokoda Track  <response>: lapho amabutho ayebambe iqhaza ekubambezeleni izenzo ezizungeze iKokoda ne-Isurava, ngaphambi kokuthi asuswe amayunithi e-Second Australian Imperial Force. Ngemuva kokuthi umkhankaso uqale ukuphenduka uxhasa abase-Australia, amaJapane ahoxa enyakatho maqondana namabhishi abo azungeze iBuna neGona, futhi izingxenye zebrigade zaphinde zazinikela ekulweni. Ngasekuqaleni kuka-1943, i-30th Brigade yakhishwa emuva e-Australia futhi yahlakazeka ngoJulayi 1943, nabasebenzi bayo bahlukaniswa kabusha kwezinye izinhlangano. 