The Battle of Calcasieu Pass was a minor skirmish fought on May 6, 1864, at the mouth of the Calcasieu River in southwestern Louisiana, during the American Civil War.[1][2][3] It resulted in a Confederate victory. The participants of the battle were Lt. Benjamin Loring and Lt. C. W. Lamson on the Union’s side, and Col. W. H. Griffin on the Confederate side. The union brought along two naval vessels, the U.S.S Wave and the U.S.S Granite City.[4] The U.S.S Wave did not prove too effective during the battle and was captured early on, it was soon turned into a Confederate cargo ship.