Chokepoints - Black Sea, Bosporus

> Black Sea Blockade >> 

23-8-31 P00ti’s Black Sea blockade is a sham | Defence in Depth - Telegraph > .

23-7-29 How Ukraine is Breaking Through Russia's Naval Blockade - Real > .

20-4-15 Geopolitics of the Black Sea - Caspian > .

Black Sea to Mediterranean - Armor >> .

Montreux Convention (1936) ..

UNCLOS - Law of the Sea 1994 ..