Related by context. Frequent words. (Click for all words.) 72 Sergei Volkov 62 Oleg Kononenko 59 Mikhail Kornienko 57 Surayev 57 Russian cosmonaut Gennady Padalka 57 Alexander Kaleri 56 Fyodor Yurchikhin 55 Koichi Wakata 55 Ron Garan 55 Soviet cosmonaut Yuri Gagarin 55 Mikhail Tyurin 54 orbited Earth 54 cosmonaut Yuri Gagarin 54 Owen Garriott 54 Nicole Stott 54 KOROLYOV Russia 53 Tim Kopra 53 Mission Specialists 53 Oleg Skripochka 53 Roberto Vittori 52 Leroy Chiao 52 Piers Sellers 52 ESA astronaut 52 Soyuz capsule carrying 52 Russian Soyuz TMA 52 Russian cosmonaut Yuri Malenchenko 52 Frank Borman 52 Russian Soyuz rocket 52 Sandra Magnus 51 Japanese astronaut Koichi 51 Michael Foale 51 Hans Schlegel 51 ISS Expedition 51 Malenchenko 51 astronaut Ilan Ramon 51 Timothy Kopra 51 Dennis Tito 51 astronaut Peggy Whitson 50 Robert Curbeam 50 astronaut Daniel Tani 50 Japanese astronaut Takao 50 Julie Payette 50 Flight Engineer 50 Valery Tokarev 50 tourist Charles Simonyi 50 Oleg Kotov 49 Nie Haisheng 49 Russian cosmonaut 49 Gregory Chamitoff 49 Anousheh Ansari 49 Daniel Tani 49 Russian Soyuz spacecraft 48 BAIKONUR Kazakhstan 48 Russian cosmonauts 48 Cady Coleman 48 Commander Peggy Whitson 48 astronaut Garrett Reisman 48 Greg Chamitoff 48 Krikalev 48 Paolo Nespoli 48 Budarin 47 Lonchakov 47 Bob Thirsk 47 Blasts Off 47 Russian Gennady Padalka 47 Yurchikhin 47 Gorbunov 47 cosmonaut 47 Tracy Caldwell Dyson 46 Drew Feustel 46 Joan Higginbotham 46 Romanenko 46 Frank De Winne 46 Soyuz craft 46 Soyuz capsule 46 Christer Fuglesang 46 Tokarev 46 Kononenko 46 commander Fyodor Yurchikhin 46 Padalka 45 aboard Endeavour 45 astronaut 45 NASA astronaut 45 International Space Station 45 Zhai Zhigang 45 Rex Walheim 45 astronaut Leroy Chiao 45 Shane Kimbrough 45 Seweryn 45 Sheikh Muszaphar 45 Seaman Apprentice 45 Wakata 45 Jeana Yeager 45 Eyharts 45 astronaut Roberto Vittori 45 astronaut Yang Liwei 44 crewmembers aboard 44 Robert Behnken 44 space shuttles Endeavour 44 astronaut Gregory Chamitoff 44 Dan Tani