LONDON, ENGLAND - MAY 20: Members of the European Association of Space Explorers and the crew from the Soyuz TM-11 mission : (back row L-R) Jean-Pierre Haignere, Viktor Afanasyev, Ernst Messerschmidt, Anatoli Artsebarski, Sergei Krikalev, Claudie Haignere, Franz Viehbock, Dumitru Prunariu, Aleksandar Aleksandrov, Jean-Loup Chretien and (front row L-R) Jean-Francois Clervoy, Michel Tognini, Helen Sharman, Andreas Mogensen and Reinhold Ewald pose at an event to mark 25 years since Helen Sharman's space mission hosted by the Science Museum on May 20, 2016 in London, England. Ms Sharman became the first Briton into space and the first female astronaut to visit the Mir space station in 1991, as part of Project Juno, a UK-Soviet cooperative programme. (Photo by Jack Taylor/Getty Images)
