Russia-China large-scale naval exercise are taking place off the coast of Far Eastern Vladivostok on Aug 20-28. During the active phase of drills, the sailors of the two countries practised joint anti-sabotage, anti-submarine, anti-aircraft and antiship defense. The drills feature 22 warships, 20 aircraft, more than 500 marines and 40 units of armored vehicles. Joint Sea 2015 naval drills in a photo gallery by TASS.