What become the basis of early Soviet and American rocket designs after the second world war ?
When the Americans gain the upper hand by recovering von Braun and most of his senior staff , along with all their technical documents and much other materiel , we see Sergei Korolev 's release from the Gulag to act as the Soviets ' rocketry expert alongside former colleague Valentin Glushko , and how he is set to work bringing Soviet rocket technology up to date with that of von Braun , working with what material and personnel are left after von Braun 's escape to the US .