The five women began the exhaustive period of training and testing: centrifuge rides; isolation tests; rocket theory; parachute jumps; piloting jet fighters, physical exercise; and, weightless flights. In spite of being the least qualified – the other four had received higher education, and included engineers and test pilots – Tereshkova faired better in front of the Communist selection board than the other finalist, Valentina Ponomareva, who had excelled in all the other tests. Since the flight was essentially a propaganda exercise, Korolev nominated Tereshkova, and Premier Krushchev – who had the final say – agreed.
On the morning of 16th June 1963, Vostok 6 launched from Baikonur Cosmodrome in Kazakhstan with the call sign “Seagull”. While in space Tereshkova kept a log and took photographs, while the ground staff monitored her physical condition. Controversy surrounds the flight: some reports claimed that she became emotionally distraught, and she certainly vomited during the flight; however, the flight lasted longer than initially intended leaving her nothing to do with no support from the ground staff; she claimed that rather than the weightlessness it was the poor food she had been given that made her sick; and – as was later confirmed – she noticed that there had been an error in the automatic orientation of the capsule, which the ground crew confirmed and corrected.
Tereshkova’s ordeal did not end until she safely returned to earth. After ejecting out of the capsule during its final descent (as all cosmonauts did) she noticed that she was parachuting towards lake that was to large for her to swim to the edge of in her state of exhaustion. Fortunately the wind blew her back over dry land. Nevertheless, from a propaganda point of view the mission was a complete success. Tereshkova’s flight had a longer duration than all the American space-flights, thus far, put together. She was also significantly younger than all the NASA astronauts. The Soviet hierarchy quashed any attempts to discredit her, whether based in fact or chauvinism.
After the flight, Tereshkova married another cosmonaut, Andrian Nikolayev (an event which was again used for propaganda purposes leading some to think it had been contrived by the Soviet leadership), graduated as a engineer, and became a prominent politician and international representative of the USSR.
To read a biography of Valentina Tereshkova see the Encyclopedia Astronautica site.