Related by context. Frequent words. (Click for all words.) 55 GOES R 55 AEHF 54 RTSC 54 Lockheed Martin 54 reusable spacecraft 53 AFRL 53 Orbital Sciences 53 Evolved Expendable Launch Vehicle 53 XCOR 52 Orbital Sciences Corp. 52 Iridium NEXT 52 P 8A 52 ScanEagle 52 Airborne Laser 52 UCAV 52 EELV 51 DARPA 51 Launch Vehicle 51 Orion Crew 51 Lockheed 51 spaceplane 51 Spacehab 51 Joint Cargo Aircraft 51 SBIRS 51 TSAT 51 SBSS 51 Gulfstream G# 51 Northrop Grumman 51 PlanetSpace 50 Unmanned Aircraft System 50 CH #K 50 NYSE LMT 50 P 8A Poseidon 50 NPOESS 50 Advanced Hawkeye 50 X #B 50 SpaceX Falcon 9 49 TacSat 49 UAV 49 Phantom Works 49 Regional Spaceport 49 AESA 49 Orion spacecraft 49 Joint STARS 49 XCOR Aerospace 49 Alliant Techsystems ATK 49 AESA radar 49 remotely piloted aircraft 49 Masten Space Systems 49 based Midcourse Defense 49 Wideband Global 49 Lockheed Martin NYSE LMT 48 AMRAAM 48 EA #G 48 twinjet 48 JCSAT 48 Orbital Sciences Corporation 48 SpaceX 48 MEADS 48 RSC Energia 48 Dragon capsule 48 Raytheon 48 Unmanned Aerial Vehicle 47 Orbital 47 Spectrolab 47 radar altimeter 47 NanoSail D 47 unmanned aerial 47 Xcor 47 CALIPSO 47 vertical takeoff 47 JAGM 47 NAVAIR 47 JTRS 47 Sanswire 47 STOVL 47 ATK 47 Analex 47 Global Hawk 46 Com Dev 46 NextView 46 CubeSat 46 Aerion 46 Raytheon IDS 46 tilt rotor 46 ProtoStar 46 Missile Defense Agency 46 Raytheon NYSE RTN 46 RQ 4 46 Wallops Flight Facility 46 spacecraft 46 robotic spacecraft 46 Rocketplane Kistler 46 Scaled Composites 46 Proton Breeze M 46 X #A 46 AUVSI 46 ULA 46 satellites 46 polar orbiting 46 Webb Telescope