USS Loggerhead (SS-374) USS Loggerhead (SS-374) USS "Loggerhead" (SS-374/AGSS-374), a "Balao"-class submarine, was a ship of the United States Navy named for the loggerhead, "Caretta caretta", a very large, carnivorous sea turtle common in the warmer parts of the Atlantic, Pacific, and Indian Oceans. "Loggerhead" (SS-374) was laid down on 1 April 1944 by Manitowoc Shipbuilding Co., Manitowoc, Wisc.; launched 13 August 1944; sponsored by Mrs. Barbara Fox; and commissioned on 9 February 1945, Commander Ralph M. Metcalf in command. "Loggerhead" emerged from the Manitowoc River into Lake Michigan on 1 March 1945 and headed via Chicago to Lockport, Ill., where she entered
Loggerhead Key performed some of the first research on Western hemisphere mangroves and coral reefs, marine life at the Loggerhead Key coral reefs, other marine life, and also performed underwater color and black-and-white photography there. Due to safety concerns regarding the hurricane season, research only occurred in the late spring and summer months. Loggerhead Key Loggerhead Key is an uninhabited tropical island within the Dry Tortugas group of islands inside the Gulf of Mexico. At approximately 49 acres (19.8 hectares) in size, it is the largest island of the Dry Tortugas. Despite being uninhabited, the island receives visitors, such as day visitors