Dee ihe na-aga n'ihu maka paragraf a - Mgbasa Borneo bụ usoro nke ọrụ amphibious atọ dị iche iche nke nke 7th na 9th Divisions mere. Mgbasa ahụ malitere na Agha nke Tarakan na 1 Mee 1945, sochiri izu isii mgbe nke ahụ gasịrị Agha nke Labuan
, wee mechie na Agha Balikpapan. Ebumnuche nke ijide Tarakan bụ iji guzobe ọdụ ụgbọelu, e weghaara agwaetiti ahụ izu asaa mgbe mbido amphibious mbụ. N'ụbọchị iri nke ọnwa Juun n'afọ 1945, a malitere ọrụ na Labuan, e nyekwara ya ọrụ ịchekwa akụ na ọdụ ụgbọ mmiri, ọ ga-aga n'ihu ruo mgbe Japan ga-enyefe. Na 1 Julaị 1945, mwakpo Balikpapan bidoro, na ebumnuche niile dị mkpa ka enwetara site na njedebe nke agha; ọrụ a ka bụ ọrụ amphibious kachasị ukwuu nke ndị agha Australia mere, yana ndị ọrụ Australia 33,000 so na ya. N'August 15, 1945, Japan chịliri aka elu, na-akwụsị Agha Ụwa nke Abụọ.