Related by context. Frequent words. (Click for all words.) 45 submersible 43 submarine 42 Aegis radar 42 oceanographic survey 42 Remora 42 Atago 42 underwater sonar 42 antisubmarine 41 Aegis destroyer 41 REMUS 41 unmanned submarines 41 frogmen 41 torpedo 41 radar altimeter 41 scanning sonar 41 Underwater robots 41 extracted plutonium 41 hydrographic survey 40 sunken ship 40 AUVs 40 HMAS Adelaide 40 Tissue samples 40 sonars 40 hydrophone 40 robotic submarines 40 superconducting magnet 40 infra red camera 39 HMS Vanguard 39 sonar 39 Harpoon missiles 38 robotic submarine 38 minesweeping 38 Helldiver 38 ground penetrating radar 38 Varyag 38 pingers 38 torpedo tubes 38 submersibles 38 Marshal Shaposhnikov 38 inertial navigation 38 pipelay 38 enrichment centrifuges 37 SeaGen 37 auger drill 37 retrieved 37 hydraulically operated 37 Antarctic seas 37 navy warship 37 Nerpa 37 Odyssey Explorer 37 decommissioned 37 Bulava missile 37 Cheonan sank 37 MBARI 37 UUV 37 tidal turbines 37 excavate 37 uncovered 37 Aegis equipped 37 keylogging software 37 naval frigate 37 underwater robot 37 Sea Shepherd vessel 37 indigenously built 37 scuba tank 37 Galileo spacecraft 36 drogue 36 Polarstern 36 semi submersible rig 36 navy destroyer 36 missile frigates 36 secretly 36 synthetic aperture radar 36 Korean warship 36 MPSV 36 unmanned underwater 36 centrifuge components 36 weaponised 36 navy divers 36 supersonic cruise missile 36 underwater caves 36 naval destroyer 35 P 8A Poseidon 35 Akash missile 35 SLBM 35 Aegis destroyers 35 hydrophones 35 ballistic missile submarine 35 tidal turbine 35 fishing trawler 35 explosive RDX 35 submarines 35 steel hulled 35 underwater 35 nuclear reactor 35 seabed 35 Mini SAR 35 conning tower 35 Spy satellites 35 Viking landers 35 infrared telescope