Kammala jumla mai zuwa: PBY Catalina kuma RAAF ta yi amfani da shi a matsayin mai jefa bama-bamai mai nisa da kuma ma'adinan ma'adinai. Catalinas sun yi fice a wannan aikin na ƙarshe, domin yayin da ƙarancin gudu ya sa su zama masu rauni ga mayaƙan, hakan ya kuma ba su damar shimfiɗa ma'adanai daidai yayin da suke tashi. Squadrons huɗu sun sanya ma'adanai daga Afrilu 1943 zuwa Yuli 1945 a kudu maso yammacin Pacific. Wadannan ayyukan sun toshe tashar jiragen ruwa da hanyoyin sufuri. Sun kuma tilasta wa jiragen ruwa na Japan zuwa cikin ruwa inda jiragen ruwa na Amurka suke. RAAF aikin hakar ma'adinai sau da yawa ana gudanar da shi da dare don rage haɗarin hanawa kuma yana da haɗari, tare da wasu jiragen sama suna tashi ƙasa da sama da farfajiyar don yin cikakken faduwa. Wadannan ayyukan na iya wuce sa'o'i 20. A cikin 1944 RAAF Catalinas ya tashi zuwa Philippines kuma ya sanya ma'adanai na ruwa a Manila Bay don hana sojojin ruwan Japan da kuma hana su shiga tsakani.
Yaƙin Mindoro. Ka'idar ma'aikatan da suka gudanar da wadannan ayyukan ita ce "Na Farko da Mafi Girma".