The Soldiers Memorial Military Museum in downtown St. Louis, Missouri is a memorial and military museum, at 1315 Chestnut Street, owned by the City of St. Louis and operated by the Missouri Historical Society. Interior east and west wings contain display cases with military displays and memorabilia from World War I and subsequent American wars. The open-air central breezeway contains a massive black marble cenotaph upon which are engraved the names of all of St. Louis' war dead from the first world war.