Related by context. Frequent words. (Click for all words.) 63 drones 63 unmanned drones 63 unmanned aerial drones 60 unmanned aerial vehicles 58 unmanned aircraft 58 surveillance drones 58 pilotless drones 57 Predator drones 57 unmanned drone aircraft 55 drone aircraft 54 unmanned aerial 51 drone 51 unmanned surveillance 51 UAVs 51 spy drones 51 unmanned spy 50 spy satellites 50 unmanned drone 49 UAV 49 unmanned aerial vehicle 49 Predator drone 48 unmanned 48 pilotless aircraft 48 fighter jets 46 aerial surveillance 46 ScanEagle 45 infrared cameras 45 night vision goggles 44 Global Hawk 43 robotic spacecraft 43 AWACS 43 reconnaissance planes 43 laser guided 43 Unmanned 42 drone missile 42 Predator 42 helicopters 42 stealth fighter 42 reconnaissance 42 helicopter borne 42 Border Patrol 42 sophisticated weaponry 41 warplanes 41 stealth fighters 41 Insitu 41 reconnaissance missions 41 Pentagon 41 Drones 41 drone strikes 41 weaponry 41 fighter planes 41 missile strikes 41 infrared imaging 41 fighter jet 40 thermal imaging 40 covert 40 Lockheed Martin Corp 40 commando raids 40 reconnaissance aircraft 40 Hellfire missiles 40 synthetic aperture radar 40 contractor Lockheed Martin 40 Airborne Laser 40 counternarcotics 40 warships 40 airplanes 40 Airborne Early 40 submarines 39 refueling planes 39 Manned 39 copters 39 radars 39 antimissile 39 drone attacks 39 Unmanned Aircraft Systems 39 suspected militant hideouts 39 Border Patrol agents 39 precision guided munitions 39 planes 39 aerial reconnaissance 39 stealth fighter jets 39 Apache helicopters 39 armored vehicles 39 electronic warfare 39 Afghanistan 39 Raytheon 39 aerial refueling 39 tribal regions 39 thermal imagers 39 Lockheed Martin 38 militaries 38 Lockheed Martin NYSE LMT 38 airships 38 Lockheed Martin Corp. 38 FLIR 38 C #J [002] 38 FLIR Systems 38 pilotless 38 AeroVironment 38 Drone 38 stealth bomber