Related by context. Frequent words. (Click for all words.) 53 cockpits 47 lasers 45 airplanes 45 cockpit 43 periscopes 43 laser beams 41 Unmanned aircraft 41 collision avoidance systems 41 laser 40 strobe lights 40 infra red 40 headsets 40 devices 40 altimeters 40 beepers 39 infrared beam 39 disembodied voices 39 night vision goggles 38 searchlights 38 scanners 38 strobe lighting 38 infrared 38 cell phones 38 pilots 38 handheld 38 X ray scanners 38 boxcutters 37 Flashing lights 37 strobe light 37 dirigibles 37 cameras 37 iris scanning 37 Malfunctioning 37 cellphones 37 microphones 37 infrared laser 37 flight simulators 37 holographic 37 GPS locators 37 Cell phones 37 navigational 37 Cellphones 37 robotic 37 laser beam 36 technological marvels 36 baggage carousels 36 holograms 36 glove compartments 36 sensors 36 aerial drones 36 gun turrets 36 periscope 36 videocameras 36 strobes 36 echolocation 36 subway entrances 36 telescopic sights 36 unmanned 36 detectors 36 keypads 36 wires dangling 36 iPods 36 x ray machines 36 computerized 36 GPS navigational 35 toggle switches 35 particle beam 35 bulletproof windows 35 malfunctioning 35 screeners 35 sonars 35 nighttime 35 onboard 35 magnetometers 35 ASDE X 35 intercoms 35 planes 35 hi tech 35 homing device 35 jetliners 35 camera 35 infrared IR 35 eyepieces 35 pinhole cameras 35 gunsights 35 retina scans 35 supersonic jets 35 miniaturized 35 handheld scanners 35 stealth bombers 35 noisy environments 35 cameraphones 35 strobing 35 navigation 35 cloaking device 35 vibrating 35 ejector seat 35 Zeppelins 34 airplane 34 fluorescing 34 radiation emitted