Related by context. Frequent words. (Click for all words.) 54 Paolo Nespoli 49 Fyodor Yurchikhin 45 Leland Melvin 45 Mission Specialists 44 Roberto Vittori 44 Alexander Kaleri 44 Doug Wheelock 44 Surayev 44 Mikhail Kornienko 44 Krikalev 44 NASA astronaut 43 Commander Eileen 43 NASA Astronaut 42 astronaut Paolo Nespoli 42 Oleg Skripochka 42 ISS Expedition 42 astronaut 42 Commander Peggy Whitson 41 Joan Higginbotham 41 Flight Engineer 41 Sandra Magnus 40 SPACE.com 40 Soyuz capsule carrying 40 Kondratyev 40 Russian cosmonaut Gennady Padalka 40 Cady Coleman 40 Tim Kopra 40 Julie Payette 39 crewmates 39 Yurchikhin 39 International Space Station 39 astronaut Daniel Tani 39 Nicole Stott 39 astronaut Julie Payette 39 R Minn 39 Astronaut 39 Piers Sellers 39 Rex Walheim 39 Koichi Wakata 39 Danny Olivas 39 spacesuit 39 astronaut Peggy Whitson 39 Space Agency 38 Dan Tani 38 Edwin Buzz Aldrin 38 Harmony module 38 Stefanyshyn Piper 37 Oleg Kononenko 37 Quest airlock 37 Space Shuttle Atlantis 37 Space Station 37 Nespoli 37 ESA astronaut 37 crewmate 36 Discovery payload bay 36 Timothy Kopra 36 orbiting 36 Greg Chamitoff 36 Heidemarie Stefanyshyn Piper 36 NASA 36 astronaut Leopold Eyharts 36 Sens. Norm Coleman 36 6 #/#-hour spacewalk 36 Richard Linnehan 36 Jet Propulsion Lab 35 tourist Charles Simonyi 35 Canadarm2 35 Spacewalkers 35 astronaut Buzz Aldrin 35 NASA astronaut corps 35 Acaba 35 Coleman 35 Eugene Cernan 35 astronaut Roberto Vittori 35 Johnathan 35 Robonaut 35 Vinogradov 35 Soichi Noguchi 35 Sergei Volkov 35 Japanese astronaut Soichi 35 Soyuz rocket 35 Tokarev 35 Douglas Wheelock 35 Possible replacements 35 Sens. Amy Klobuchar 35 Space Shuttle Discovery 34 Frank De Winne 34 Japanese astronaut Koichi 34 beamed 34 spacewalking 34 Mikhail Tyurin 34 Garrett Reisman 34 Endeavour payload bay 34 Shuttle astronauts 34 Space.com 34 Kenneth Bowersox 34 interplanetary spacecraft 34 Peggy Whitson 34 Robert Behnken 34 Cullen Sheehan 34 spacewalking partner