The reporter learned from the press conference of the blue book on China's Aerospace Science and technology activities (2021) that China's new generation of medium-sized launch vehicle, Long March 8, is currently undergoing pre launch testing at the Wenchang launch site in Hainan. The launch of Long March 8 adopts a new configuration and will launch 22 satellites at a time. Long March 8 is the latest model of China's long march series launch vehicles, which can undertake more than 80% of the low and medium orbit launch missions. It is reported that the Long March 8 remote-2 rocket will be launched at Wenchang launch site from the end of February to the beginning of March. This mission is the first flight of the new configuration of the Long March 8 rocket without booster. Chen Xiaofei, deputy chief designer of the Long March 8 carrier rocket of the first Academy of Aerospace Science and Technology Group: although it is said that the Long March 2 is a new configuration, in fact, the design of the Long March 1 has taken into account the two states of having a booster and not having a booster. We practiced a modular design idea at the beginning, so we can efficiently complete the design of a new rocket in a relatively short time. It is reported that the Long March 8 yao-2 carrier rocket will launch 22 commercial satellites, which will also set a record for the largest number of satellites launched at one time in China. In addition to the Long March 8 remote-2 rocket, the Long March 8 will complete the final assembly of one rocket and put seven rockets into operation this year, so as to provide support for subsequent major projects such as Internet constellation networking. The Long March 11 rocket will be launched at sea twice this year In addition, the reporter also learned that China's maritime launch capacity will be further improved this year, and the Long March 11 rocket will carry out two maritime launches. Meanwhile, the first flight of the new commercial rocket Jielong 3 will also be completed at sea. It is reported that space launch at sea can greatly solve the safety problems of rocket navigation area and debris landing area; At the same time, the launch location can be flexibly selected, so as to meet the launch requirements of different types of satellites. This year, the Long March 11 carrier rocket will carry out two sea launches, which will further improve the safety and reliability of launch and form a concise and efficient sea launch capability. We also want to improve the efficiency of the follow-up launch of the first vice president of the China Aerospace Science and technology group, the first vice president of the China Aerospace Science and technology group, and the third vice president of the China Aerospace Science and technology group. In addition, China's new commercial launch vehicle Jielong 3 will make its first flight this year. Jielong 3 is a medium and low orbit solid rocket with "high cost performance, high reliability, fast performance and fast launch", with a 500 km orbital carrying capacity of 1.5 tons. The first flight, Jielong 3 will use a new launch platform to launch at sea. Long Wei, deputy commander-in-chief of the Long March 11 Jielong 3 carrier rocket of the first Academy of Aerospace Science and Technology Group: the capacity of the Jielong 3 rocket is the same, which is three times that of the long 11 rocket. It aims to complete its first flight by the end of August. It is a brand-new launch support system. It wants to verify the safety technology of this large tonnage rocket for thermal launch at sea. (Xinhua News Agency)