bykovsky spent almost five days on board.e flight into space, and it has not yet been broken. scientists, doctors and space systems builders , led by sergei korolev, were inspired by the idea of simultaneous flight of two ships, and for one to be controlled by a male cosmonaut and the other by a woman. it was necessary to find out how it affects a long flight on the human body and check the coherence of the work of the ground services of the cosmodrome when controlling two ships at once. therefore , from june 16 to 19, simultaneously with vostok 5 , the vostok-6 spacecraft was in space, which for the first time in history... was piloted by female cosmonaut valentina terezhkova, call sign chaika. the mood is cheerful, the welcome is excellent. bykovsky felt well, during the entire flight he observed the earth, the sun and the stars, and filmed on black and white film. terezhkov she felt sick, she felt weak, but on the whole the experiment was a success, although the seagull and the hawk never saw each other through the windo