Naval Shipyard, the tanker TCG Gölcük, was laid down; and launched the following year. With the signing of the Montreaux Convention in 1936, Turkey's sovereignty over the Turkish Straits was internationally recognized, and Fortified Area Commands were founded on the Bosphorus and Dardanelles straits, with Naval Detachments assigned to these Commands. Naval Forces Command The Turkish Naval Forces were represented under the title of the Naval Undersecreteriat at the Turkish General Staff Headquarters in Ankara from 1928 to 1949. The historic decree of the Higher Military Council on 15 August 1949 led to the foundation of the Turkish Naval Forces Command (Deniz Kuvvetleri Komutanlığı.) After Turkey joined NATO on 18 February 1952, the Turkish Naval Forces were integrated into the organizational branches of the alliance. Structure In 1961, the Turkish Naval Forces Command was organized into four main subordinate commands: The Turkish Fleet Command, the Turkish Northern Sea Area Command, the Turkish Southern Sea Area Command and the Turkish Naval Training Command. In 1995, the Turkish Naval Training Command was renamed as the Turkish Naval Training and Education Command. Current Structure Fleet Command, Gölcük Naval Base, Kocaeli Surface Action Group Command, Gölcük Naval Base, Kocaeli Northern Task Group Command, Gölcük Naval Base, Kocaeli Western Task Group Command, Foça, İzmir Southern Task Group Command, Aksaz, Muğla Submarine Group Command, Gölcük Naval Base, Kocaeli Fast Patrol Boat Group Command, İstanbul Mine Warfare Group Command, Erdek Naval Base, Balıkesir Logistic Support Group Command, Gölcük Naval Base, Kocaeli Naval Aviation Group Command, Cengiz Topel Naval Air Station, Kocaeli Gölcük Naval Base Command, Kocaeli Gölcük Naval Shipyard Command, Kocaeli Inventory Control Center Command, Kocaeli Marine Supply Center Command, Kocaeli Yıldızlar Surface Training Center, Gölcük, Kocaeli Northern Sea Area Command, İstanbul Istanbul Strait Command, Anadolukavağı, İstanbul Çanakkale Strait Command, Nara, Çanakkale Black Sea Area Command, Karadeniz Ereğli, Zonguldak Underwater Search and Rescue Group Command, Beykoz, İstanbul Rescue Group Command Underwater Defence Group Command Naval Hydrography and Oceanography Division Command, Çubuklu, İstanbul Bartın Naval Base Command, Bartın Naval Museum Command, Beşiktaş, İstanbul Istanbul Naval Shipyard Command, Pendik Southern Sea Area Command, İzmir Amphibious Task Group Command, Foça, İzmir Amphibious Marine Brigade Command, Foça, İzmir Amphibious Ships Command, Foça, İzmir Aksaz Naval Base Command, Aksaz Naval Base, Marmaris Mediterranean Area Command, Mersin İskenderun Naval Base Command, İskenderun, Hatay Agean Sea Area Command, İzmir Foça Naval Base Command, Foça, İzmir Maintenance, Repair and Engineering Command, İzmir Naval Training and