Kammala wannan jumla: Tsakanin Fabrairu da Mayu 1943, "Westralia" an canza shi zuwa Jirgin Ruwa, Infantry (LSI). An sake dawo da ita tare da lambar lambar C61. A cikin wannan rawar, "Westralia" yana da karfin sojoji 933, kuma an yi amfani dashi da farko don jigilar raka'a na sojojin Amurka da Marine Corps. An sanya jirgin zuwa Port Stephens don amfani dashi a matsayin jirgin ruwa yayin da aka haɓaka makarantar horar da ayyukan haɗin gwiwa (daga baya aka ba da izini a matsayin). Jirgin ya shiga cikin saukowa a Cape Cretin, Hollandia,
Leyte Gulf, Philippines, da kuma Borneo.