Kammala wannan jumla: "Portland" sannan ya shiga matsayin wani ɓangare na Admiral Frank J. Fletcher Task Force 17 don hana sojojin Japan kusa da Midway Atoll. A lokacin da ya biyo baya
A cikin yaƙin da aka yi a ranar 4 zuwa 7 ga Yuni, 1942, "Portland" ya ba da kariya ta iska ga mai ɗaukar jirgin sama, wanda aka buga sau da yawa tare da torpedoes na Japan kuma ya nutse. Daga nan sai DuBose ya jagoranci aikin ceto na wadanda suka tsira daga ma'aikatan "Yorktown" kuma ya dauke su a cikin "Portland" zuwa Pearl Harbor bayan kwana biyu.