Russia's Black Sea Fleet news office announced on the 26th that more than 20 ships of the Black Sea fleet have set out from Sevastopol and novorossisk bases to participate in the exercises to be held in the Black Sea waters. The source said that the multi ship composite formation, ship strike group and landing fleet composed of patrol ships, frigates, small missile ships, landing ships, minesweepers and small anti submarine ships will carry out safety maneuver training, communication and maritime air defense during the military exercise. On the same day, the warships of the Russian Northern Fleet set out for the Barents Sea to participate in the exercise held in the Arctic region. At that time, the Northern Fleet will exercise the cooperation of various ship types to ensure the safety of maritime routes and economic activities in the northern waters of Russia. The Russian Ministry of defense previously said that from January to February this year, the Russian Navy fleets will conduct a series of military exercises under the general command of navy commander Nikolay yevmenov to coordinate sea and air cooperation, protect Russia's maritime interests and respond to military threats at sea. The exercise will cover the sea areas adjacent to Russian territory and the world's marine areas of great significance. In addition, separate exercises will be held in the North Sea, the Mediterranean and the sea of Okhotsk, the Pacific and the Northeast Atlantic. More than 140 warships and supply ships, more than 60 aircraft, more than 1000 weapons and equipment and nearly 10000 officers and soldiers participated in the exercise. (outlook new era)