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The first attempt for a Zond 4 follow-up launched on April 22. It failed when the Launch Escape System sent an erroneous abort command at T+260 seconds and shut down the Proton booster’s second stage. The escape rocket fired and pulled the descent module to safety.
Zond 5
Zond 5 Recovery Indian Ocean
Scientist observing lunar Tortoises
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Hundreds of millions of people all over the planet had seen Gagarin smiling joyfully in person or on television. He was theirs, familiar to everyone, and at the same time a “Citizen of the Universe.”
Yuri Gagarin
Gagarin’s plaque in the Kremlin Wall.
50th Anniversary stamp for Vostok 1
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When we left the Soviet Union they had somewhat successfully landed a probe on Venus and they had completed the automatic docking of two Soyuz 7K-OK spacecrafts. However they did not reach their goal of a circumlunar flight in time for the 50th anniversary of the glorious revolution.
L1 – Zond
Mishin, Agadzhanov, & Chertok
7K-L1 spacecraft on Proton booster
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After 1957, the Soviets became accustomed to achieving “world firsts” in space accomplishments. Nevertheless, 10 years later they were not confident that they could pull off the world’s first fully automatic rendezvous and docking of two un-piloted Soyuz spacecraft. At the time the chance for success was estimated at only 50/50.
Vasily Mishin at Baykonur in 1967. Credit B. Chertok
Armen Mnatsakanyan the main designer of Igla. Credit B. Chertok
Igla docking system antennas.
