Ka kammala wannan jumla: An nada Barney a matsayin mai kula da rundunar sojan ruwa na Amurka a ranar 2 ga Yuli, 1861. Ya umurci CSS "Jamestown" a lokacin yakin Hampton Roads, sanannen yaƙi tare da, a lokacin da ya kama brigs biyu da Accomac schooner daga Newport News Point yayin da CSS "Virginia" ke kula da Navy Navy. Bayan da aka kwashe 'yan tawayen daga Norfolk, "Jamestown" ya rushe don toshe Kogin James a Drewry's Bluff. A cikin na gaba
Yaƙin Drewry's Bluff, wanda batuttukan bakin teku na Kudancin suka kori rundunar Sojojin Ruwa na Union da ke zuwa Richmond, an yi la'akari da bindigogi na "Jamestown" a matsayin babban abin da ke hana jiragen ruwa na abokan gaba. Bayan yakin, ya sami yabo daga Majalisar Tarayya kuma ya ci gaba da zama kwamandan.