"The forces of the Black Sea Fleet began tracking the American destroyer of guided missile weapons of the US Navy, USS Donald Cook, immediately after its entry into the Black Sea," the Russian Defense Ministry said in RT.
It is noted that the patrol ship "Pytlivy" will be engaged in direct tracking.
Also, the American ship will be monitored using electronic and technical means of the fleet.
It clarifies that the US Navy destroyer entered the Black Sea at 20:50 Moscow time. It is noted that in accordance with the Montreux Convention, his stay in the Black Sea should not exceed 21 days.
Earlier, the press service of the sixth fleet of the US Navy reported that USS Donald Cook was heading for the Black Sea.
The Black Sea Fleet battleship "Inquisitive" controlled the actions of the USS Fort McHenry, a US Navy ship, which entered the Black Sea in early January.