Related by context. Frequent words. (Click for all words.) 71 Launch Vehicle 69 Evolved Expendable Launch Vehicle 63 EELV 62 Orion Crew 61 SpaceX Falcon 9 59 Ares rocket 58 Orion spacecraft 58 Advanced Extremely 57 AEHF 56 Wideband Global 56 reusable spacecraft 56 Littoral Combat Ship LCS 56 TacSat 56 Unmanned Aircraft System 56 Airborne Laser 55 spaceplane 55 Dragon spacecraft 55 CH #K 54 PSLV C# 54 Dragon capsule 54 Orion capsule 54 X #B 54 BrahMos missile 54 Ares IX rocket 54 supersonic cruise missile 54 unpiloted 54 Crew Exploration 54 CubeSat 54 spacecraft 54 Orbital Sciences Corp. 54 Atlas V 53 Orbital Sciences Corporation 53 Ariane rocket 53 JCSAT 53 based Midcourse Defense 53 manned spaceship 52 Unmanned Aerial Vehicle 52 Ballistic Missile 52 Iridium NEXT 52 Space Launch Vehicle 52 UCAV 52 Commercial Orbital 52 AESA radar 52 Geosynchronous Satellite Launch Vehicle 52 Orbital Sciences 52 Lockheed Martin Corp 52 hypersonic flight 52 liquid propellant 52 Littoral Combat Ships 51 SpaceX 51 payloads 51 Joint Cargo Aircraft 51 BrahMos 51 F/A-#E/F Super Hornet 51 NASA 51 P 8I 51 lunar lander 51 Ares 51 P 8A Poseidon 51 LRIP 51 Joint Strike Fighter JSF 51 National Reconnaissance 51 Aegis Ballistic Missile Defense 50 TSAT 50 RSC Energia 50 spacecrafts 50 F/A-#E/F 50 Proton Breeze M 50 Centennial Challenges 50 NextView 50 AMRAAM 50 Rocketplane Kistler 50 Brahmos 50 vertical takeoff 50 Orbital Space 50 agency Roskosmos 50 Ares V 50 polar orbiting 50 SELENE 50 Lockheed Martin Corp LMT.N 49 manned spacecraft 49 Taurus XL rocket 49 Soyuz rocket 49 Centaur upper 49 NASAs 49 Lockheed Martin Corp. 49 unmanned lunar 49 agency Roscosmos 49 Littoral Combat Ship 49 X #A 49 Lockheed 49 Lockheed Martin 49 P 8A 49 F/A-# Raptor 49 littoral combat ships 49 CALIPSO 49 Increment 49 Based Infrared 49 Cartosat 49 MUOS 49 geostationary transfer