<prompt> Pedzisa mutsara unotevera: Pakupera kwa1941, Portmar yakabhadharwa neDhipatimendi reHondo reUnited States kutakura zvinhu kuPhilippines asi nemhaka yokupinda kweJapan muPhilippines yakachengetwa muAustralia. Yakashandiswa muna February 1942 kutakura zvikwata zvokuwedzera kubva kuDarwin nokuda kwavadziviriri veTimor pamberi pe  <response>: Kupinda kweJapan. Ngarava dzokuwedzera dzakarondwa nendege dzeJapan ndokurwiswa, dzichimanikidzira kukanzura kwayo. Portmar yakadzokera kuDarwin musi wa18 February, uye yakanga ichiri pachiteshi chengarava zuva rakatevera apo ndege dzeJapan dzakatakura ndege dzakarwisa guta racho mukurwisa kwokutanga kuAustralia. Ngarava yacho yakakuvadzwa zvikuru, uye yakamhara kuti isanyura. 