Starting premises In accordance with the Montreux Convention Regarding the Regime of the Straits (1936) that gives Turkey control over the Bosporus Straits and the Dardanelles and regulates the transit of naval warships. Non-Black Sea state warships in the Straits must be under 15,000 tons. No more than nine non-Black Sea state warships, with a total aggregate tonnage of no more than 30,000 ...