ELMAR III, Sheepshead Bay, Brooklyn, NY – 1940 Captain Gus Rau's "ELMAR III" from Sheepshead Bay, Brooklyn, NY circa 1940. The "ELMAR III" was a converted World War I U.S. Navy Sub Chaser ("SC-186") built in 1917 by the International Shipbuilding and Marine Engine Co. at Upper Nyack, NY. She was one of four converted World War I Sub Chasers sailing as party fishing boats from Sheepshead Bay at the time.