Russian naval commander-in-chief Korolev visits "Liaoning" - China's aircraft carrier. "Liaoning" is China's first large combat aircraft carrier and was rebuilt based on the Russian cruiser Varyag. A conventional powered medium aircraft carrier, "Liaoning" is 306.4 meters long, 74.4 meters broad, and has a normal displacement of over 50,000 tons. Maximum speed is no less than 28 knots. The aircraft carrier is composed of a ship body, ground tackle, power system, electric power system, ship support, aviation security, and combat system, etc. [Photo/81.cn]