American destroyer "Ross" equipped with the Aegis system, entered the Black sea during the " operations to maintain security and enhance regional stability in the sea." About It it is reported on the Internet representation of the U.S. Navy. As first told in the Russian National defense control center, ships of the black sea fleet controlled the actions of the destroyer. It is noted that these operations are designed to "enhance the cooperation between allies in NATO and to demonstrate collective preparedness to provide security in the black sea region during the operation" Atlantic determination ". This is a 1st for the current year call American ship in the Black sea. In the past year, NATO warships entered the Black sea, 13 times. According to the international Montreux Convention of 1936, warships of non-black sea countries can stay in its waters not more than 21 days. From April 2014, With the beginning of the fall in Ukraine and the USA during operation "Atlantic determination" on the basis of the rotation place your combat units in different countries, gradually increasing their number. Operation is a complex of military and military-political events. According to the America, these actions are aimed to support NATO allies in the European Union. The Ministry of foreign Affairs of the Russian Federation in this regard, accused the United States disregard the interests of security and the desire to destabilize the military-political situation. <span style="color:darkgray