Related by context. Frequent words. (Click for all words.) 53 spacewalks 49 6 #/#-hour spacewalk 48 EVAs 48 Discovery STS 48 Tracy Caldwell Dyson 47 spacewalk 47 Oleg Kononenko 47 Shuttle astronauts 46 Krikalev 46 Tim Kopra 46 Robert Behnken 45 airman studied 45 resupply mission 45 Heidemarie Stefanyshyn Piper 45 Piers Sellers 44 spacewalking partner 44 Eyharts 44 Koichi Wakata 44 spacewalking 43 Mission Specialists 43 Endeavour astronauts 43 By NBC# NBC# 43 Padalka 42 Daniel Tani 42 Lonchakov 42 Yurchikhin 42 Oleg Skripochka 42 Kaleri 42 Lopez Alegria 42 aboard Endeavour 42 Spacewalking astronauts 42 shuttle missions 41 By trevor 41 Rex Walheim 41 rovers Spirit 41 Spacewalk 41 Dan Tani 41 Christer Fuglesang 41 spacewalking astronauts 41 Rick Mastracchio 40 Soichi Noguchi 40 spacewalkers 40 Greg Chamitoff 40 orbiting lab 40 Discovery liftoff 40 shuttle thermal tiles 40 Fyodor Yurchikhin 40 Soyuz rocket 40 ⅓ innings 40 Gorie 40 Caldwell Dyson 40 International Space Station 40 Malenchenko 40 orbiting complex 40 Two spacewalking astronauts 40 Alexander Kaleri 40 ª innings 40 Keith Foulke pitched 40 Nicole Stott 39 starter Brian Moehler 39 TTM = trailing 39 Sturckow 39 Spacewalkers 39 Curbeam 39 Mikhail Kornienko 39 naval maneuvers 39 Discovery astronauts 39 Flight Readiness 39 Sandra Magnus 39 Russian cosmonauts 39 orbiting laboratory 39 Andrew Feustel 39 Shane Kimbrough 38 Shuttle Discovery 38 Wakata 38 Bill Gerstenmaier NASA 38 Kononenko 38 Stefanyshyn Piper 38 sols 38 orbiting observatory 38 starter Wandy Rodriguez 38 shuttle robotic arm 38 Atlantis astronauts 38 spacesuits 38 orbital module 38 JAXA 38 Flight Engineer 38 undocking 38 Cassini Huygens 38 inspections 38 Hubble servicing 38 Mars orbiter 38 CALIPSO 38 spacewalker 38 ESA astronaut 37 Bob Thirsk 37 Lyndin 37 astronaut Peggy Whitson 37 robotic spacecraft 37 Michael Lopez Alegria 37 #/#-inning [002]