Related by context. Frequent words. (Click for all words.) 56 periscope 48 gun turrets 48 binoculars 48 portholes 46 magnifying glasses 46 sonars 46 propellers 45 blimps 45 antennae 44 binocular 44 radars 44 searchlights 44 turrets 44 cannons 44 crow nest 43 hovercrafts 43 lasers 43 submarines 42 spotting scopes 42 grappling hooks 42 machine gunners 42 dirigibles 42 submersible 42 windsock 42 microscopes 42 sextant 42 infrared sensors 42 eyepiece 41 airships 41 Binoculars 41 miniature 41 gliders 41 technological marvels 41 turret 41 AUVs 41 sun visors 41 shiny metallic 41 telescopic 41 fantail 40 robots 40 phasers 40 unmanned underwater 40 Mars rovers 40 fish finders 40 night vision goggles 40 telescope 40 spaceships 40 chevrons 40 toggle switches 40 thermal imagers 40 gizmos 40 battleships 40 boat hulls 39 droids 39 GPS trackers 39 flashlights 39 emplacements 39 jetpacks 39 scopes 39 robotic 39 goggles 39 telescopes 39 submarine 39 unmanned aerial vehicles 39 zeppelins 39 tail fins 39 M#s [003] 39 duck decoys 39 light sabers 39 satellites orbiting 39 gunsights 39 flying saucers 39 starships 39 contraptions 39 cockpits 39 gunners 38 antennas 38 florescent 38 camouflage netting 38 decoys 38 doodads 38 navigation aids 38 hydrophones 38 undercarriages 38 walkie talkies 38 dirigible 38 airship 38 telescopic sight 38 sensors 38 flamethrowers 38 gun turret 38 porthole 38 pillboxes 38 infra red 38 autopilots 38 tripods 38 javelins 38 speedometers 38 launchers 38 lighthouses 38 magnifiers