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The dog Laika
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Explorer I
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HAM the chimpanzee
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Yuri Alekseyevich Gagarin, a Soviet Air Forces pilot
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Yuri Alekseyevich Gagarin
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Alan Shepard, US Navy Pilot
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John Glenn, US Fighter Pilot
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Cosmonaut Alexei Leonov
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Ed White, U.S. Air Force officer and test pilot
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Stays in space for 4 days. Astronaut Ed White performs the first American spacewalk.
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Eight-day mission to study how humans could handle long-term exposure to a space environment.
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The final flight of the Gemini program. Underwater training is introduced for spacewalk preparation.
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Astronauts Virgil Grissom, Edward White, and Roger Chaffee lost their lives when a fire swept through the Command Module due to a fuse that sparked and was exposed to pure oxygen.
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Apollo 8 circumnavigates the moon. It is the first manned spacecraft to leave the gravitational influence of Earth.
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Apollo 9 was the first flight to have the command and service module with the Lunar Module.
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Apollo 10 was a "dress rehearsal" for the first Moon landing, testing all the components and procedures just short of actually landing.
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Apollo 11 was the spaceflight that first landed humans on the Moon.