Mezue nkebi ahịrịokwu a: Ná mmalite Agha Pacific, ndị Japan kwụsịrị n'ebe ugwu ọdịda anyanwụ Borneo ma weghara ngwa ngwa ebe ndị dị mkpa mmanụ dị n'ógbè ahụ, bụ́ ndị malitere inye aka ná mgbalị agha ha ka ọ na-erule 1943. Mgbalị ndị Allied na-egbochi mmanụ na-agafe na-ejedebe na bọmbụ ụgbọelu na oge dị n'etiti ka mgbalị ndị Allied na-elekwasị anya na Philippines. N'agbanyeghị nke ahụ, ka ọ na-erule ngwụsị 1944 <unk> mmalite 1945 ndị Allied amalitela ịhazi ọrụ iji weghachite mpaghara ahụ. Mgbalị ndị Allied na-eme iji weghachite
E mere ndokwa maka Labuan na Brunei Bay n'etiti ọnwa June 1945. Iji kwado nke a, Operation Agas bidoro na Machị 1945 site na Ngalaba Nnyocha Ọrụ Australia (SRD), na-eji ndị ọrụ Z Special Unit. Ọrụ ahụ nwere ebumnuche abụọ: ịnakọta ọgụgụ isi na ịzụ ndị obodo ahụ ka ha gaa agha ịlụso ndị Japan ọgụ. Mgbe nke ahụ gasịrị, a rụrụ usoro nke ọrụ ise na mpaghara ndị Japan bi na North Borneo na njedebe nke agha n'okpuru nkwado nke Operation Agas <unk> okwu Malay maka sandfly <unk> nke a rụrụ na Operation Semut na Sarawak. Ndị agha Japan na-achịkwa ugwu Borneo n'oge ahụ sitere na 37th Army.