On August 18, 2011, at 17:28 p.m., the Long March II satellite launching center in Vangzhou launched a rocket carrying the "Long March II C" rocket carrying the "Practice XI 04" star. During the rocket flight there was a failure and the satellite failed to enter the planned orbit. The Chinese Academy of Sciences, the Chinese Academy of Sciences and the Chinese Aerospace Engineering Distinguished Contributor Medal recipient King Yuan said that the practice XI 04 star belongs to the scientific satellite, used as a scientific experiment. A military observer in Beijing said that it can be seen from the news that the missile launch problem was lost on the rocket, without launching the satellite to a planned altitude, which means that the practice XI 04 star can not work, but because of