Waxad ku qortaa sii wadida cutubkan - "Mackinac" wuxuu ku soo laabtay Saipan bishii Abriil 1945. 11kii Maajo 1945, waxay ku biirtay koox diyaaradeed oo fadhigeedu yahay Kerama Retto oo ku yaal Jasiiradaha Ryukyu intii lagu jiray ololihii Okinawa, waxayna sii waday shaqooyin kala duwan, oo ay ku jiraan badbaadinta hawada-badda iyo duqeynta Jasiiradda Rose ee ay qabsadeen Japan. Ka dib markii kooxda diyaaradaha badda ay u guureen hawlgalladooda Okinawa 14kii Luulyo 1945, "Mackinac" waxay u adeegtay doomaha mootada ee loo yaqaan'motor torpedo boats' ilaa horraantii Ogosto 1945. Kadib markii Japan ay is dhiibtay
Bishii Agoosto 15, 1945, waxaa loo qoondeeyay inay ku biirto Task Group 30.5, waxayna timid Sagami Bay, Tokyo, Japan, bishii Agoosto 28, 1945.