Kammala wannan jumla: A tsakiyar watan Maris, an kira "Sigourney" don tallafawa
saukowa na 4th Marine Regiment a Emirau, St. Matthias Group. Daga nan sai ta koma yin harbi da kwalaye na kwayoyi da wuraren da ke gabashin Kogin Torokina, Bougainville, har zuwa ranar 12 ga Afrilu.