USS Loggerhead (SS-374) Fleet. In 1960 she was assigned as a US Naval Reserve Training Ship and towed to Portland, Oregon. In December 1962 she was reclassified an auxiliary submarine, AGSS-374, and she continued to serve as a reserve training submarine in Portland until 30 June 1967 when she was relieved by auxiliary submarine . Struck from the Naval Vessel Register on the same date, "Loggerhead" was sold for scrap in early 1969. 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
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