Nyora kupfuurira kweiyi ndima - "Mackinac" akadzokera kuSaipan muna April 1945. On 11 May 1945, iye akabatana seaplane boka inobva pana Kerama Retto muna Ryukyu Islands munguva Okinawa mushandirapamwe, uye akapfuurira siyana mabasa, kusanganisira mhepo-gungwa kununurwa uye kubhombwa Japanese-vakabata Rose Island. Mushure mokunge boka rezvikepe zvomumvura rakatamisa mabasa aro kuOkinawa musi wa14 Chikunguru 1945, "Mackinac" akatarisira zvikepe zvemotokari zve torpedo kusvika kutanga kwaAugust 1945. Pashure pokuzviisa pasi kweJapan
musi wa15 Nyamavhuvhu 1945, akapiwa basa rokujoinha Task Group 30.5, achisvika kuSagami Bay, Tokyo, Japan, musi wa28 Nyamavhuvhu 1945.