The Russian Black Sea Fleet is monitoring the USS Porter, a guided missile destroyer, which entered the Black Sea, the national defence control centre said Saturday.
"Troops and technical resources of the Black Sea Fleet are involved in monitoring the actions of the USS Porter, the US Navy's guided missile destroyer, that entered the Black Sea on 30 October 2021," the centre, which is part of the Russian Defenсe Ministry, said.
Earlier, the US Navy said in a statement that its Sixth Fleet and Naval Striking and Support Forces NATO are beginning operations in the Mediterranean and Black Seas.
NATO Secretary General Jens Stoltenberg said last week that the alliance has increased its presence in the Black Sea because of its strategic importance.
In turn, Russian Deputy Foreign Minister Alexander Grushko said later that NATO is seeking to turn the region into a confrontation zone, and that this is very dangerous.