A diver with the U.S. flag aboard the former USS "Spiegel Grove" (LSD-32), in March 2007. The ex-Spiegel Grove was sunk as an artificial reef in 2002 and is located on Dixie Shoal, 10 km off the Florida Keys in the Florida Keys National Marine Sanctuary (USA). Her exact location is 25°04′00.2″N 80°18′00.7″W.