New Hampshire Astronomical SocietyMarch 18th in Astronomy and Space Science
 | 1965 | Soviet cosmonaut Alexei Leonev makes the first spacewalk outside the Voskhod 2 spacecraft. Although a television camera captures the event, good quality photographs could not be retrieved because the camera became stuck in the airlock, which was jettisoned before re-entry. Leonov later flew on the Apollo-Soyuz mission. |
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