Related by context. Frequent words. (Click for all words.) 44 Spacewalkers 44 John Grunsfeld 42 Dan Tani 42 Readdy 41 spacewalker 41 spacewalk 41 Flight Engineer 41 Andrew Feustel 41 Tim Kopra 41 Rick Mastracchio 41 Zamka 40 Spacewalking astronauts 40 Curbeam 40 Mastracchio 39 Greg Chamitoff 39 Stefanyshyn Piper 39 Gorie 39 Oleg Kononenko 39 commander Rick Sturckow 39 orbital module 39 Yurchikhin 39 Alexander Kaleri 39 Shane Kimbrough 38 Malenchenko 38 Sturckow 38 Piers Sellers 38 spacewalking astronauts 37 Doug Wheelock 37 Shuttle astronauts 37 Heidemarie Stefanyshyn Piper 37 Discovery STS 37 Canadarm2 37 Acaba 37 Mike Suffredini 37 ESA astronaut 37 Discovery payload bay 37 Lee Archambault 37 Lopez Alegria 37 NASA astronaut corps 36 Scott Parazynski 36 Virts 36 ISS 36 radioed 36 lunar module 36 Joan Higginbotham 36 squadron commander 36 Mikhail Tyurin 36 director Holly Ridings 36 Gerstenmaier 36 NASA 36 astronaut Hans Schlegel 36 Mike Fincke 36 De Winne 36 Kathy Winters 36 Christer Fuglesang 36 Commander Eileen 36 LeRoy Cain 36 Kibo laboratory 35 Padalka 35 Hoshide 35 shuttle payload bay 35 commander George Zamka 35 NASA Astronaut 35 Lonchakov 35 International Space Station 35 Tracy Caldwell Dyson 35 Frank De Winne 35 Rex Walheim 35 Two spacewalking astronauts 35 Caldwell Dyson 35 Astronaut 35 Bill Gerstenmaier NASA 35 spacewalking 35 Jet Propulsion Lab 35 Mike Leinbach 35 Sandra Magnus 35 Walheim 35 spacewalkers 35 commander Peggy Whitson 35 MUOS 35 cosmonaut 34 Kononenko 34 NASA astronaut 34 astronaut 34 Lyndin 34 NEEMO 34 Koichi Wakata 34 Michael Kostelnik 34 Japanese astronaut Koichi 34 Brent Jett 34 orbit insertion 34 Robert Satcher 34 aboard Endeavour 34 spacewalking partner 34 Mission Specialists 34 Grunsfeld 34 Oleg Skripochka 34 Jet Propulsion Laboratory JPL 34 Fincke 33 Mike Suffredini NASA 33 Garan