<prompt> Qedela lo musho olandelayo: UGreer wakhushulelwa esikhundleni sokuba yi-lieutenant commander futhi wakhonza e-United States Navy kusukela ngo-1862 kuya ku-1863, wabe esexhunyaniswa ne-Rear Admiral David Dixon Porters Mississippi Squadron. Ngesikhathi elawula ama-ironclads futhi, wabamba iqhaza emkhankasweni waseVicksburg kanye nokudubula kwe  <response>: IGrand Gulf kanye ne-Union Red River Expedition eyahluleka ekuqaleni kuka-1864. 