Kammala jumla mai zuwa: USS "Canonicus" shi ne mai kula da hasumiya guda ɗaya da aka gina don Rundunar Sojan Ruwa na Amurka a lokacin yakin basasar Amurka, jagoran jirgin ruwa na aji. Jirgin ya kashe mafi yawan shekarunsa na farko a cikin sabis da aka kafa a Kogin James, inda za ta iya tallafawa ayyukan da Richmond ke yi da kuma kare kanta daga wani abu da 'yan bindigar' yan bindigar na James River Squadron suka yi. Ta yi amfani da batutuwan artillery na Confederate a cikin shekara kuma daga bisani ya shiga cikin hare-haren biyu a kan
Fort Fisher, yana kare hanyoyin zuwa Wilmington, North Carolina, daga Disamba 1864 zuwa Janairu 1865.