Related by context. Frequent words. (Click for all words.) 56 AUVs 55 sonars 55 sonar 51 submersibles 51 submersible 51 SCUBA diving 50 ROVs 50 radar altimeter 50 Submersible 48 unmanned underwater 48 autonomous underwater 48 trawl nets 48 jet propulsion 47 remotely operated 47 seabed 46 ocean buoys 46 longline fishing 46 tidal turbines 46 ROV 46 submarine warfare 46 Remote sensing 46 Aegis destroyers 46 underwater sonar 46 SCUBA 46 unmanned submarines 46 robotic submarines 45 subsurface 45 robotic submarine 45 tidal turbine 45 longline 45 autonomous robots 45 electromagnetics 45 hovercrafts 45 submarines 45 hydrographic survey 44 underwater robot 44 robotic spacecraft 44 saturation diving 44 seabeds 44 AUV 44 anti submarine warfare 44 motorized boats 44 coastal waters 44 Unmanned Aerial Vehicles 44 IODP 44 MBARI 44 UUV 44 remote sensing 44 iron fertilization 43 underwater 43 Aegis Weapon System 43 propulsion 43 undersea warfare 43 hydrophone 43 Harpoon missiles 43 submarine 43 bathymetry 42 torpedo tubes 42 VHF radios 42 spacecrafts 42 semi submersible rig 42 shallow waters 42 spear fishing 42 longlines 42 hypersonic flight 42 satellites orbiting 42 Aegis radar 42 Service NMFS 42 scramjet 42 Aegis Ballistic Missile Defense 42 Automatic Identification System 42 offshore wind turbines 42 Aegis destroyer 42 jetskis 41 hydrophones 41 MARSIS 41 PWCs 41 scramjet engine 41 endangered whales 41 hyperspectral 41 Robotic Systems 41 microfluidic devices 41 ultrasonic sensors 41 nanomachines 41 vessels 41 divers 41 ocean 41 drillship 41 hydrodynamic 41 downriggers 41 autopilots 41 oceanographic 41 collision avoidance systems 41 gill nets 41 underwater robots 41 fluid dynamics 41 Seabed 41 optical tweezers 41 seafloor 41 unpowered 41 EPIRBs