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Why choose Xichang and Jiuquan as launch bases in China?
Hello, I am from Jiuquan. Jiuquan Satellite Launch Base is 0/80km away from Jiuquan City/KLOC-,at the junction of Gansu and Inner Mongolia, that is, the junction of Jinta and Ejina Banner. That place is called Badain Jaran Desert. First of all, there are many factors to consider in the selection of launch base. The official statement has been issued on the first floor. I'm only talking about Xichang Satellite Launch Base here because the terrain and latitude are a little more. Relatively speaking, if a synchronous satellite is launched, the launch conditions in Xichang are slightly better than in Jiuquan. Moreover, Xichang Satellite Launch Base is easy to keep secret, which can prevent the shooting of spy satellites, because a large number of military facilities can be hidden in mountain tunnels. Now tell me why. The cloudless weather in Jiuquan can reach about 200 days throughout the year, and there are many launch windows. In addition, Jiuquan Satellite Launch Base is located in desert areas and no man's land, where there may be tourists. In addition, in the early days of the founding of New China, it is necessary to speed up the construction of its own aerospace industry and nuclear industry. At that time, Qian Xuesen only put forward two points, one was that the place was large, and the other was that knowledgeable technicians were needed. The location of Jiuquan Satellite Launch Base is just in line with the principle of "big place". However, although it is in no man's land, the cost of logistics support is far less than other no man's land, because there are agricultural and pastoral cities like Jiuquan and Ejina Banner next to it. In addition, since its establishment, Jiuquan Satellite Launch Base has not only studied aerospace, but also studied nuclear industry and other ballistic missile technologies. Therefore, even if an accident occurs in a no-man's land without vegetation, it will not cause great environmental pollution and property losses. Moreover, talk about the famous Jiuquan Satellite Launch Base, the largest vertical hoisting yard and launcher in Asia, and the widest expressway in Asia (width 2 kilometers, see clearly, width! ), this kind of hoisting factory and launch tower is built to ensure the launch of large rockets. As you can see, all previous Shenzhou series spaceships had to be cleared when they were launched, to ensure that no one was around the launch tower for several kilometers. This is because, on the one hand, it is afraid that the rocket tail flame and the toxic gas ejected will hurt people, and on the other hand, it is afraid that the rocket will fall due to instability in the initial stage of launch. If there is an accident, the rocket will fall, because there is no no man's land around the factory, which will not cause additional losses. Finally, say a detail. Jiuquan Satellite Launch Base is code-named "10 Base", and it is surrounded by "14 Base". It is called Dongfeng Aerospace City. Even today, the water in the space city is inedible. The reason is that all the food and water here are provided by Ejina Banner and Jinta, because heavy metals exceed the standard. In addition, the technicians in the Space City are definitely one of the best paid people in the China People's Liberation Army. However, the life difficulties and work pressures they bear are unimaginable, so now many people have settled in Jiuquan City on the 10th, and Jiuquan is run by their office. There is a shuttle bus to Space City every day. I suggest you come and have a look when you have a chance, and experience what it means to be alone in the desert.

In addition, besides Jiuquan and Xichang, our country also has launch bases in Taiyuan and Hainan, but some of them have not been put into use, but they are already under construction. It has been said that Jiuquan Satellite Launch Base will gradually withdraw from the stage of China's space history after the Shenzhou series, because the launch bases in Taiyuan and Hainan will share Jiuquan's current launch mission.

The most special thing about Jiuquan launch base is that only Jiuquan satellite launch base in China can launch the Long March II F rocket, because it is a bundled rocket, that is, in addition to the rocket itself, there are four small propellers at the bottom. This rocket is called Long March II F Bundle or something, and there is a specific model behind it. This depends on the quality of the launched items and the orbit to be launched, because at present, only Jiuquan launch tower can launch such a large rocket.