 Nyora kupfuurira kweiyi ndima - Mukumuka kwekudonha kweRabaul, maCatalinas eNo. 11 ne20 Squadrons akava chombo bedzi cheRAAF chokurwisa maJapan. Kurwisa kwavo Rabaul hakuna kuita zvakawanda kudzivisa kufambira mberi kweJapan, uye mumwedzi yakatevera Port Moresby pachayo yakatarisana nokurwiswa kunoramba kuchiwedzera, uko kwakaparadza ndege, zvivako, uye zvinyorwa zveboka. Muna February 1942, Short Empires dzaishandiswa neNo. 11 ne20 Squadrons dzakatamisirwa kuNo. 33 Transport Squadron ichangobva kuumbwa. No. 20 Squadron yakarasikirwa Catalinas maviri panguva patrol musi 4 uye 6 May; vapfumbamwe vashandi wokutanga akazoonekwa kuti vave akabatwa uye musoro; vashandi wechipiri vakanga akabatwa uye gare gare akanyangarika pasina tsvakurudzo. 