Kammala jumla mai zuwa: Bayan horon horo a New Hebrides a watan Janairun 1944, "Columbia" ya taimaka wajen kai hari da kuma mamaye Nissan, daya daga cikin Green Islands daga 13 zuwa 18 Fabrairu. A farkon watan Maris, ƙungiyarta ta kewaye layin tsakanin Truk da Kavieng don neman jiragen ruwa na abokan gaba, sa'an nan kuma ya rufe harin da kuma
mamayar tsibirin Emirau daga 17 zuwa 23 ga Maris. A ranar 4 ga Afrilu, "Columbia" ya tashi daga Port Purvis a tsibirin Solomon don gyarawa a San Francisco, ya koma Solomon Islands a ranar 24 ga Agusta.