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In case of Russia's sudden withdrawal, it is reported that NASA has privately formulated an emergency plan for the international space station

Time : 03/07/2021 Author : ztecy7 Click : + -
        It was reported on August 5 that since the end of last year, the National Aeronautics and Space Administration (NASA) of the United States has been quietly making emergency plans for the international space station project. It is reported that this contingency plan not only considers how to deal with the changes in the cooperation relationship on the international space station project, but also involves Boeing, SpaceX and Northrop & middot; Grumman et al. According to three unnamed sources, the emergency plan drafted by NASA listed various possible situations, such as how to withdraw all astronauts from the international space station in the event of Russia's sudden withdrawal from the international space station project, and how to maintain the normal operation of the international space station without the key hardware provided by the Russian space agency.
 
        In addition, NASA also considered the possibility of destroying the international space station several years earlier than the original plan in its contingency plan. Although NASA has previously acknowledged the existence of emergency plans for the international space station project, it has always avoided discussing the matter in public. Instead, NASA officials repeatedly emphasized their close relationship with the Russian space agency. "Obviously, we are very committed to maintaining this relationship," said Casey middot, director of NASA's space operations; Kathy Lueders said in an interview last week. "However, we need to make sure that we do have a plan. We are NASA. We always have to deal with emergencies.
 
        ”。 The international space station was designed more than 20 years ago. NASA and the Russian space agency depend on each other in the technical level of the international space station. NASA provides balanced gyroscopes and solar power arrays for the space station, while the Russian space agency controls the propulsion devices to enable the international space station to operate smoothly in orbit. It is reported that many aerospace companies have been included in the emergency plan. Boeing, one of the main private contractors of the international space station, has also assigned a team of engineers to study how to control the operation of the international space station without Russian thrusters. Two sources said that in recent weeks, NASA has been drafting a formal contract, requiring the contractor to determine how to get the international space station out of orbit in advance, so as to prevent the Russian space agency from withdrawing from the international space station project.
 
        At present, the Russian space agency operates the thrusters of the international space station in Moscow, and plays a key role in controlling how the space station enters the earth's atmosphere at the end of the project. It was reported last week that Yuri middot, the new head of the Russian space agency; Yuri Borisov said that Russia has not yet set a date for withdrawing from the international space station project, but any withdrawal procedure will "strictly follow our obligations". According to the cooperation agreement of the international space station, any partner must submit a notice of withdrawal intention one year in advance. NASA said that two years ago, the Russian space agency asked whether NASA could provide a spacecraft to help the international space station get out of orbit.
 
        In addition, NASA declined to discuss the specific details of the emergency plan being considered. However, NASA said that it "is continuing to look for new functions of the international space station and plans to seamlessly transition to a commercial low earth orbit destination". In a drill conducted in June this year, Northrop & middot; Grumman made the modified Cygnus cargo ship start its propeller during berthing for the first time, changing the operating orbit of the space station, and successfully demonstrated a potential scheme that can replace the Russian propeller. Northrop & middot; A spokesman for Grumman said that if NASA requests, all Cygnus spacecraft in the future will be able to restart the thrusters in this way.
 
        The source said that a program launched by NASA in 2018 included relevant tests, but the implementation of the program has been accelerated recently. Two sources said that at the same time, Elon & middot; SpaceX, led by Elon Musk, is also studying similar re propulsion functions. SpaceX's manned dragon spacecraft currently carries cargo and astronauts for the international space station. Four US officials said that NASA's emergency plan began at the end of 2021. According to sources, in November last year, Russia destroyed an abandoned satellite, forming a debris area near the international space station, forcing astronauts to take refuge in the spacecraft.
 
        Former US security adviser Ross & middot; Speaking about the cooperation relationship of the international space station project, rose Gottemoeller said: "this is of great benefit to the progress of science, technology and space program of the United States." Gottemore played a key role in the process of reaching the cooperation agreement on the international space station in 1993. Sources said that in early July this year, NASA team and the Russian space agency in Moscow finalized a long sought agreement to share spacecraft flying to the international space station. The agreement, which was announced on July 15, allows Russian astronauts to ride on us made spacecraft in exchange for American astronauts to ride on Russian Soyuz spacecraft.
 
        According to the agreement, Russian astronaut Anna & middot; Anna kikina will take off from Florida in September this year aboard SpaceX's manned dragon spacecraft. NASA is currently negotiating with the Russian space agency and other partners of the international space station, hoping to extend the official completion time of the international space station project by another six years to 2030. Last week, Borisov, director of the Russian space agency, cited the prediction of Russian engineers that after 2024, the international space station may have "cascade" technical problems. He said that after 2024, the cost of maintaining the Russian module is "huge".
 
        He added that the Russian space agency's exploration of building its own space station was also an "economic expedient". Daily headlines, industry information, hot news, gossip, and tracking Weibo broadcast throughout the day. All kinds of revelations, inside stories, lace, and information are caught in one net. Millions of internet fans interact and participate. Techweb official Weibo looks forward to your attention.
 
        
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