Related by context. Frequent words. (Click for all words.) 57 ScanEagle 56 AUVs 56 hypersonic flight 56 electric propulsion 56 autonomous underwater 56 unmanned underwater 55 scramjet engine 55 UAV 54 Aegis Weapon System 54 CH #K 54 AESA radar 53 NLOS LS 53 Research ONR 53 UCAV 53 NGEN 53 Unmanned Aerial Vehicles UAVs 53 Unmanned Aircraft System 52 propulsion 52 APKWS 52 PowerBuoy 52 P 8A 52 AFRL 51 EA 6B 51 UAVs 51 JSOW 51 Research Laboratory AFRL 51 Unmanned Aerial Vehicle UAV 51 Global Hawk 51 Joint STARS 51 DCGS 51 RTSC 51 scramjet 51 Raytheon IDS 51 tilt rotor 51 P 8A Poseidon 51 Reconnaissance ISR 51 TacSat 51 airborne reconnaissance 51 Maritime Surveillance 51 drogue 50 Protonex 50 HIMARS 50 ion propulsion 50 SELEX Galileo 50 SUGV 50 AN/PRC-#G 50 EO IR 50 Unmanned Aerial Vehicles 50 hydrogen internal combustion 50 AESA 50 ONR 50 remotely piloted aircraft 50 Watchkeeper 50 UAS 50 radar altimeter 49 warfighting capabilities 49 Smart NanoBattery 49 AEHF 49 PEM fuel 49 remotely piloted 49 JAGM 49 EA #G 49 CH #E 49 metal hydride 49 inertial navigation 49 Milstar 49 Unmanned Aerial Vehicle 49 Airborne Laser 49 X #A 48 Terma 48 NAVAIR 48 VTOL 48 Unmanned Air 48 Counter IED 48 warfighter 48 Voraxial 48 Systems Command NAVAIR 48 multirole 48 OTEC 48 vertical takeoff 48 SINCGARS 48 MH #R 48 ARDEC 48 GeoBase 48 BrahMos missile 48 Unmanned aircraft 48 Mikros 48 propulsion systems 47 AUV 47 Warfighter 47 Kiowa Warrior 47 tactical reconnaissance 47 Aegis BMD 47 THAAD 47 Mobion ® 47 tactical radios 47 MALD 47 SBIRS 47 STOVL 47 optical biosensors 47 LRIP