over 100 km. In the United States professional, military, and commercial astronauts who travel above an altitude of 80 km are awarded the United States Astronaut Badge. This article follows the FAI definition of spaceflight.

Successful programs

Programs in this section are sorted by the years when the first successful crewed spaceflight took place.

Vostok program (USSR, 1956-1964)

thumbThe Vostok program

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