Dee ihe na-aga n'ihu maka paragraf a - A buliri Greer n'ọkwa lieutenant commander wee jee ozi na United States Navy site na 1862 ruo 1863, wee tinyezie ya na Rear Admiral David Dixon Porter's Mississippi Squadron. Mgbe ọ na-achịkwa ụgbọ mmiri ndị a na-eji ígwè arụ, o sonyere n'agha Vicksburg na mwakpo nke Grand Gulf
nakwa njem Union Red River nke kụrụ afọ n'ala na mbido afọ 1864.