Nyora kupfuurira kweiyi ndima - "Wissahickon" yakavakwa paPhiladelphia, Pennsylvania. Yakatumirwa munaNovember 1861, yakatanga kushanda muGulf of Mexico uye paRwizi rweMississippi, uko muna Kubvumbi-Chikunguru 1862 yakabatanidzwa mukubatwa kweNew Orleans, kuputirwa kweGreat Gulf
, makundano maviri akapfuura masvingo eConfederate aidzora rwizi paVicksburg uye hondo ne ironclad.