Related by context. Frequent words. (Click for all words.) 50 submersible 47 Hovercraft 46 REMUS 45 AUVs 44 Remora 44 remotely operated 44 Submersible 43 MBARI 43 vehicles ROVs 43 torpedo tubes 42 scanning sonar 42 underwater robot 41 Kongsberg Maritime 40 underwater sonar 40 Dornier aircraft 40 submersibles 40 sonars 40 ROVs 40 hovercraft 40 unmanned underwater 40 hovercrafts 39 submarine 39 Sperry Marine 39 USS Bunker Hill 39 underwater 39 Underwater 39 Aegis destroyer 39 Aerosonde 38 ROV 38 autonomous underwater 38 Undersea 38 oceanographic survey 38 UUV 38 robotic submarine 38 tidal turbine 38 scuba tank 37 tidal turbines 37 Thruster 37 Nereus 37 divers 37 Crewmen 37 Nostromo 37 Robotic Systems 37 periscopes 37 oilrig 37 sonar 37 conning tower 37 SCUBA diving 37 steel hulled 36 torpedos 36 Shallow Water 36 undersea 36 Mk# [002] 36 marine 36 onboard 36 Foss Maritime 36 frogmen 35 Nautilus 35 Storis 35 Orca 35 hydrographic survey 35 HL Hunley 35 IODP 35 AUV 35 Tridents 35 powered submarine 35 Seacor 35 FB# [001] 35 rebreather 35 Submarine 35 altimeters 34 Akula class 34 missile frigate 34 airship 34 Hydrographic 34 SeaLife 34 Boston Whaler 34 Microlight 34 RCCNZ 34 HMS Bulwark 34 Oil Spill Response 34 SCUBA 34 robotic submarines 34 rigid hull inflatable 34 scan sonar 34 frogman 34 hydrofoils 34 Todd Shipyards 34 MSQ 34 ODIM 34 USCG 34 NEEMO 34 Seaplane 34 AK# [002] 34 personal locator beacon 34 autonomous robotic 34 Shipboard 33 propulsion 33 tiltrotor 33 dynamically positioned 33 semi submersible rig