 | Suborbital Russian
| Serenti Shiborin Phantom cosmonaut. . Died February 1958. Personal: Male. Reported killed on a sub-orbital flight in February 1958. Astronaut Career Astronaut Group: Phantom Cosmonaut. Pioneering space theoretician Hermann Oberth claimed in 1959 that a pilot had been killed on a sub-orbital ballistic flight from Kapustin Yar in early 1958. He never provided a source for the story. In December 1959, the Italian news agency Continentale reported that a series of cosmonaut deaths on suborbital flights had been revealed by a high-ranking Czech communist. Among these were Shiborin, said to have perished in 1958. No other evidence of Soviet suborbital manned flights ever came to light.
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