The beginning of the space era was marked by triumphal flights of the first Soviet satellites and spacecraft, astronauts, automatic vehicles and interplanetary stations. The name of the chief designer of these unique products, Sergei Pavlovich Korolev, was in the shadows during his lifetime, and the true meaning and purpose of his extensive research also remained behind the scenes. And today, an important part and one of the main goals of the Queen's work remains a secret.