Rubuta ci gaba don wannan sakin layi - Bayan shakedown a cikin Atlantic, "Hollis" ya yi tafiye-tafiye biyu tare da Gabas ta Gabas sannan kuma ya ba da rahoto ga Quonset Point, R.I., don taimakawa wajen bincike na sonic. Manufar ita ce ta sami matakan da za a yi wa torpedo na Jamus, kuma mai ba da umurni ya kasance a kan wannan muhimmin aiki har zuwa ranar 28 ga watan Mayu, lokacin da ta tashi zuwa Casablanca a cikin wani jirgin saman jirgin sama. Komawa zuwa New York a ranar 17 ga Yuni, "Hollis" ya sake dawowa a teku, a wannan lokacin a matsayin wani ɓangare na ƙungiyar masu garkuwa da masu kisan gilla. Ya yi aiki daga Yuli zuwa tsakiyar watan Agusta yana rakiyar jirgi a cikin Bahar Rum, kuma ya raka wani jirgi zuwa mamayewar kudancin Faransa
yankin a ranar 15 ga watan Agusta yayin da sojojin Allied suka mamaye bakin teku. A cikin watanni da suka biyo baya, yayin da hare-haren ya karu, "Hollis" ya ci gaba da aiki a matsayin mai kulawa a cikin Bahar Rum, yana tabbatar da gudanawar kayan aiki da maza. Ta tashi zuwa Amurka a ranar 28 ga Disamba, kuma ta isa ranar 18 ga Janairu don yin gyare-gyare zuwa jigilar kaya a Philadelphia Navy Yard.