Before you send a man into space, the space agencies of the Soviet Union and the United States sent
in short flights of animals. In January, 1961. chimpanzee Ham (Ham) went into space with the base at Cape Canaveral.
He returned to Earth unharmed, but a great desire to go back in one flight he did not have.
At the beginning of the 1960s. The Soviet Union knew that America is planning to launch an astronaut, but did not know when. Chief Scientist in space USSR Sergei Korolev achieved start with a human crew of the ship as soon as possible. Yuri Gagarin flew along the Earth's orbit in April 1961., Ahead of the United States less than a month.