Kammala jumla mai zuwa: Bayan shakedown, ta yi aiki a gabashin gabar tekun da ke rakiyar jiragen ruwa da masu jigilar jiragen sama. Waɗannan tafiye-tafiye sun kai "Macomb" kudu zuwa arewacin gabar Kudancin Amirka, gabas zuwa gabar Afirka ta Yamma, da arewa zuwa Newfoundland. Tsayawa daga Boston a ranar 5 ga watan Yuli, 1942, "Macomb" ya bi jirgin Amurka da jirgin Ingila zuwa Greenock, Scotland, ya isa ranar 12 ga watan Yuli. Ta yi aiki a tsakanin Scotland da Iceland ta yin tafiya guda daya zuwa New York don samun damar, har zuwa ranar 25 ga Satumba, 1942, lokacin da ta yi ruwa a Norfolk, Virginia Ta bar Norfolk a ranar 11 ga Oktoba, ta duba masu kula da jiragen sama na jiragen ruwa a cikin Caribbean har sai da ta kai ga arewacin Afirka a ranar 7 ga Nuwamba. Ya isa ranar 11 ga watan, ya yi aiki a matsayin mai ɗaukar hoto a lokacin
saukowa a Casablanca kuma ya koma Boston bayan da saukowa ya kasance lafiya.