High Quality Content by WIKIPEDIA articles! USS Vicksburg was a wooden steamship built in 1863 at Mystic, Connecticut; purchased by the United States Navy at New York City on 20 October 1863; converted into a gunboat; and commissioned at the New York Navy Yard on 2 December, Lieutenant Commander L. Braine in command. Vicksburg was named in honor of the great victory that General Ulysses S. Grant had recently won at Vicksburg, Mississippi.