Soviet space program omitted reports of failure or trouble". Out of fear of admitting any defeat, reports of cosmonauts' missions leaned towards an exaggerated positive spin rather than factual substance. "The USSR was famously described by Winston Churchill as 'a riddle, wrapped in a mystery, inside an enigma' and nothing signified this more than the search for the truth behind its space program during the Cold War. Although the Space Race was literally played out above our heads, it was often obscured by a figurative 'space curtain' that took much effort to see through" says Dominic Phelan in the book "Cold War Space
Cryptanalysis of the Enigma in Hut 3, wrote of the Polish contribution: On 17 September 1939, the day the Soviet Union began its invasion of Poland, Cipher Bureau personnel crossed their country's southeastern border into Romania. They eventually made their way to France, and on 20 October 1939, at "PC Bruno" outside Paris, the Polish cryptanalists resumed work on German Enigma ciphers in collaboration with Bletchley Park. "PC Bruno" and Bletchley Park worked together closely, communicating via a telegraph line secured by the use of Enigma doubles. In January 1940 Alan Turing spent several days at "PC Bruno" conferring with his Polish colleagues. He