<prompt> Nyorai kupfuurira kweiyi ndima - Muna 1861, Irwin akazvizivisa nokuda kwebasa ari mungarava ye screw frigate. Hondo yevagari vemo yeAmerica yakatanga muna April 1861, uye Irwin akaona chiito chikuru mukurwisana nemauto eConfederate ari muWabash. Mukati mokushanya kwaIrwin, Wabash akabatanidzwa mukutora Fort Hatteras naClark  <response>: paHatteras Inlet, North Carolina, musi wa29 Nyamavhuvhu 1861, asati ava mureza weSouth Atlantic Blockading Squadron, imwe yema squadron akabatanidzwa mukudzivirirwa kweUnited yeConfederate ports. Wabash akabva atora chikamu mukutora Fort Walker, Fort Beauregard, uye Port Royal Sound, South Carolina, muHondo yePort Royal musi wa7 Mbudzi 1861. Irwin akazotungamira chikepe howitzers Wabash akaiswa pamhenderekedzo panguva yeHondo yePort Royal Ferry, South Carolina, musi wa1 Ndira 1862, uye aive ari muchikepe Wabash yeHondo yeFort Pulaski kuCockspur Island, Georgia musi wa10-11 Kubvumbi 1862. Akasimudzirwa kuva lieutenant commander musi wa 16 Chikunguru 1862. 