Yuan Wang 3 off the Namibian coast Yuan Wang 4 off the coast of Western Australia in the Indian Ocean Fleet list Yuan Wang 1 - 1977 Yuan Wang 2 - 1978 Yuan Wang 3 - 1995 Yuan Wang 4 - 1999 Yuan Wang 5 - 2007 Yuan Wang 6 - 2007 Yuan Wang 7 - 2016 Yuan Wang 21 - Long March 5 transport ship Yuan Wang 22 - Long March 5 transport ship Type 718 Type 718 tracking ship is the very first design of Yuanwang series, and it consists of two ships, Yuan Wang 1 and Yuan Wang 2, both of which have since retired in the early 2010s. Type 718 can attain speeds of 20 kn. Yuan Wang 3 Yuan Wang 3 is the second generation tracking ship of Yuan Wang series, and it can attain speeds up to 20 kt, with a range of 18,000 nautical miles and a cruising speed of 18 kt. Yuan Wang 4 Yuan Wang 4 was converted from Type 643 research vessel Xiangyanghong 10 (向阳红10), which was originally designed in February 1971, with construction begun in July 1975, and entered service in October 1979. Conversion was completed in August 1998, and the ship is capable of carrying a Changhe Z-8. Conversion work included more than four hundred projects in four major categories. Powered by 9000 hp diesel engines, Yuan Wang 4 has an endurance of 100 days and could reach a speed of up to 20 kn, with a range of 18,000 nautical miles cruising at 18 kn. While in Jiangyin port at 5:10 AM on 5 August 2007, Yuan Wang 4 was hit by a coal carrier Harbor Sea 666 (Gang Hai 666, 港海 666), which caused a massive fire started at the point of collision at 4th fuel tank. The fire was put out after four hours without any casualties, but the equipment on board was severely damaged beyond repair. As a result, Yuan Wang 4 was subsequently converted to a target ship for DF-21 ballistic antiship missile to simulate an aircraft carrier target as it entered Jiangyin Shipyard on 15 April 2010 for repair, and eventually destroyed in the latter half of 2010. Yuan Wang 5 Yuan Wang 5 is the third generation tracking ship of Yuan Wang series, and entered service on 29 September 2007. Loaded with electronic tracking gear, the Yuan Wang 5 has been