 Nyorai kuenderera mberi kweiyi ndima - USS Canonicus yaive imwe-turret yekutarisa yakavakirwa United States Navy panguva yeAmerican Civil War, ngarava inotungamira 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 mukurwisa kwose.paFort Fisher, achidzivirira nzira dzokuWilmington, North Carolina, kubva muna December 1864 kusvika muna January 1865. 