Kammala jumla mai zuwa: DuBose ya kammala karatun digiri na digiri na digiri a ranar 7 ga Yuni, 1913 kuma an ba shi izinin Ensign a wannan ranar. Daga bisani an sanya shi zuwa jirgin ruwa kuma ya shiga cikin jirgin ruwa na Veracruz a lokacin juyin juya halin Mexico a watan Afrilu da Mayu 1914. Daga nan sai "Connecticut" ya tsaya a Havana, Cuba kuma ya shiga cikin jigilar Regiment of Marines da kayayyaki zuwa Haiti don
Sojojin Amurka da ke zama a wurin. Daga nan sai ya kai Jakadan Amurka a Haiti, Madison R. Smith zuwa Port-au-Prince kuma ya kasance yana sintiri a cikin ruwa kusa har zuwa Disamba 1915.