The USSR launched the Sputnik III.
This satellite was carrying a variety of tools for geophysical research.
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Cassini orbiter released the Huygens probe, which successfully landed on Saturn's moon Titan.
The US Air Force Space Command launched the Boeing X-37B spaceplane for a classified mission.
The shuttle Atlantis and the Russian space station Mir joined, forming the largest artificial satellite to orbit the earth.
NASA tested the Saturn I launch vehicle with a boilerplate Apollo spacecraft for the first time.
NASA launched Gemini X, the tenth spaceflight of the Gemini program.