<prompt> Bhala okuqhubekayo kwalesi sigaba - UGreer wakhushulelwa esikhundleni sokuba ngu-lieutenant commander futhi wakhonza e-United States Navy kusukela ngo-1862 kuya ku-1863, wabe esethunyelwa eMississippi Squadron kaRear Admiral David Dixon Porter. Ngesikhathi elawula ama-ironclads futhi, wabamba iqhaza emkhankasweni waseVicksburg nasekuhlatshweni kweGrand Gulf  <response>: kanye nebutho elahluleka ukuphumelela le-Union Red River ekuqaleni kuka-1864. 