Qoraal sii socoda faqradan - Bishii Maarso 25, 1863, markii uu hogaaminayay Kornayl Charles Rivers Ellet, "Switzerland" ayaa ku biiray ragga isku dayaya inay dhaafaan qalcadda Vicksburg. Labada markab waxaa si xun u garaacay rasaasta Confederate-ka, iyadoo "Lancaster" la qarxiyay. Inkastoo ay waxyeelo soo gaartay, "Switzerland" ayaa safarka ka badbaaday waxayna si guul leh uga gudubtay qalcadaha Grand Gulf, Mississippi
, oo ku beegan 31 Maarso. Waxay ka qeyb qaadatay howlgallada wabiyada Red iyo Atchafalaya bishii May iyo Juun 1863. Dagaalkii ka dib, "Switzerland" waxay qeyb ka ahayd Ciidanka Badda ee Mississippi.