Except for the first entry into space, the film’s first space walk, and the first moon landing, the public doesn’t know much about human space activities, but the short 60-year history of space flight is actually caused by countless hardships and dangers. The "one small step" constitutes. I found some "firsts" in the history of manned spaceflight. Most of these milestone records were born during the space race between the United States and the Soviet Union. It is hoped that more and more countries, including China, will appear on the list.
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