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What are the military uses of manned spacecraft?
At first, the application of manned space technology was military except for scientific research. During the Cold War and the space race between the United States and the Soviet Union, the Soviet Union once equipped H-band synthetic aperture radar on the "Peace" space station. It is speculated that it is likely to be used to detect NATO military targets. With the development of science and technology, military aerospace is becoming more and more unmanned and intelligent. In the past, many military spacecraft used manned mode because of backward technology, and advanced equipment could not be operated by computer. At present, the spacecraft used for military purposes are basically unmanned, such as the "National Defense Tactical Support Satellite" of the United States, which is used to detect infrared radiation during the launch of intercontinental strategic missiles and realize the intercontinental long-range warning of missiles, and the American X-37/X- 20 13 test.

Considering that space operations for military purposes need faster response speed and higher requirements for environment and details, the use of manned space flight not only needs to train the crew separately and equip them with life support equipment, which will not only greatly increase the difficulty and cost of aircraft development and production, but also increase the implementation cost and delay the task schedule. In addition, once the manned aircraft breaks down and other unfavorable factors, its rescue process is also a considerable project, and if the aircraft is forced to land and crash, it will also cause unnecessary political conflicts and bring pressure to diplomacy. Of course, it cannot be said that manned space flight is useless to the military, such as the maintenance and repair of other spacecraft and the development of space resources. You can also use manned spacecraft for short-term surveillance and low-intensity and high-precision strikes (after all, the self-sustaining power of manned spacecraft needs to consider the catering and daily life of personnel, so the time is short. And people have low tolerance for overload)

The short-term future of manned spacecraft may be limited to the above contents in the next five to ten years, but strategically speaking, the influence of having talents to represent careers on geopolitics and diplomacy cannot be ignored.