The Big Sandy Expedition was organized by a Union general who was also a United States what?
William &quot;Bull&quot; Nelson William "Bull" Nelson (September 27, 1824 – September 29, 1862) was a United States naval officer who became a Union general in the Civil War.
Benjamin McCulloch Benjamin McCulloch (November 11, 1811 – March 7, 1862) was a soldier in the Texas Revolution, a Texas Ranger, a major general in the Texas militia and thereafter a major in the United States Army (United States Volunteers) during the Mexican-American War, a U.S. marshal, and a brigadier general in the army of the Confederate States during the American Civil War.