Kammala jumla mai zuwa: Bayan da Amurka ta shiga yakin duniya na biyu, Ballentine ya yi aiki a matsayin kwamandan kwamandan kwamandan USS "Long Island" daga ranar 26 ga Disamba, 1941 zuwa 18 ga Afrilu, 1942. An daukaka shi zuwa kyaftin a ranar 30 ga Yuni 1942. Ballentine ya yi aiki a matsayin shugaban ma'aikata ga Kwamandan Task Group 34.2 Rear Admiral Ernest D. McWhorter a cikin jirgin a lokacin da ake kira
Allied mamaye Faransa ta Arewacin Afirka a watan Nuwamba 1942.