Pedzisa mutsara unotevera: USS "Canonicus" yakanga iri imwe-turret inotarisa yakavakirwa United States Navy munguva yeAmerican Civil War, ngarava inotungamirira yekirasi yake. Ngarava yakapedza yakawanda yegore rayo rokutanga mubasa rakagoverwa muRwizi rwaJames, kwaaigona kutsigira mabasa kurwisa Richmond uye kudzivirira kubva pakurwisa neConfederate ironclads yeJames River Squadron. Yakarwisa mabhatiri eConfederate artillery mukati megore uye gare gare yakabatanidzwa mukurwiswa kwevaviri pa
Fort Fisher, achidzivirira nzira dzokuenda kuWilmington, North Carolina, kubva muna December 1864 kusvika muna January 1865.