Related by context. Frequent words. (Click for all words.) 45 lunar landing 43 landing 43 space shuttle 42 liftoff 42 blastoff 40 Airways Flight 40 Airways jetliner 39 flyby 38 Sully Sullenberger 38 spaceflight 38 landings 38 Space Shuttle Discovery 38 Space Shuttle 38 spacemen 38 orbiter 37 Shuttle Discovery 37 weightlessness 37 Sullenberger 37 spacecraft 37 takeoff 36 Capt. Chesley Sully Sullenberger 36 lunar module 36 shuttle Discovery 36 midair 36 spaceship 36 space shuttles 36 shuttle 35 X #A 35 Mariana Trench 35 astronauts 35 glider 35 flybys 35 shuttle Challenger 35 suborbital flight 34 NTSB 34 Hudson River 34 Lee Archambault 34 Buzz Aldrin 34 Mission Control 34 Soyuz capsule 34 Apollo astronauts 34 spacecrafts 34 undocking 34 Kennedy Space 34 astronaut 34 flight 34 space shuttle Discovery 34 seaplanes 34 Lunar Crater Observation 34 maiden voyage 33 Flight 33 Space Shuttle Atlantis 33 Challenger exploded 33 crash 33 NASA 33 manned spacecraft 33 Ares IX 33 capsule 33 midair collision 33 airship 33 Eileen Collins 33 Skylab 33 shuttle Atlantis 33 USS Intrepid 33 Rick Husband 33 Shuttle Endeavour 33 belly flop 33 orbit 33 Martian surface 32 Atlantis 32 Amelia Earhart 32 Takeoff 32 thrusters 32 GlobalFlyer 32 sonic boom 32 Orion spacecraft 32 Dittemore 32 Space Shuttle Program 32 Atlas V 32 Right Stuff 32 foam 32 UP Aerospace 32 docking 32 hang glider 32 reentry 32 Crippen 32 plane 32 sub orbital 32 glide 32 Nasa 32 heat shield 32 KENNEDY SPACE CENTER 32 parachute 32 Space shuttle Atlantis 32 Space Station 32 dive 32 parachutes 32 Schirra 31 Soyuz 31 scramjet 31 Phoenix Mars Lander