Ukraine on High Alert as Russian Naval Exercise Threatens to Block Parts of the Black Sea

USNI News – An upcoming Russian naval exercise has Ukraine worried, as the United States predicts a Russian invasion of the country could come any day. The Russian exercise, which comes during continued tension between Russian and Ukraine, will block parts of the Black Sea, the Sea of Azoz and the Kerch Strait, leading the Ukraine Ministry of Foreign Affairs to put out a statement in protest.