<prompt> Qedela umusho olandelayo: Ngo-March 25, 1863, ngesikhathi u-Colonel Charles Rivers Ellet elawula, iSwitzerland yajoyina inqama emzamweni wokudlula inqaba yaseVicksburg. Zombili lezi zikebhe zashaywa kakhulu yizibhamu ze-Confederate, kanti i-Lancaster yacwila. Naphezu kokulimala kwakhe, iSwitzerland yasinda kulolu hambo futhi kamuva yadlula ngempumelelo ezindongeni zaseSwitzerland  <response>: IGrand Gulf, eMississippi, ngo-March 31. Wabamba iqhaza emisebenzini emifuleni iRed ne-Atchafalaya ngoMeyi nangoJuni 1863. Kamuva empini, iSwitzerland yayiyingxenye yeMississippi Marine Brigade. 