Related by context. Frequent words. (Click for all words.) 64 AUVs 61 AUV 60 remotely operated 57 submersible 53 Nereus 51 underwater robot 51 submersibles 51 ROVs 50 ScanEagle 50 ROV 49 oceanographic 49 sonars 48 robotic spacecraft 47 sonar 47 underwater 46 unmanned 46 autonomous robots 46 WHOI 46 Unmanned 46 Unmanned Air 46 hydrophones 46 optical tweezers 46 propulsion 45 robotic submarines 45 hyperspectral 45 oceanographers 45 Woods Hole Oceanographic 45 lunar rover 44 amphibious 44 electric propulsion 44 Amphibious 44 gliders 44 TacSat 43 propulsion systems 43 robotic 43 Global Hawk 43 payloads 43 unmanned aircraft 43 unmanned aerial 42 vertical takeoff 42 undersea 42 X #A 42 hypersonic 42 Mote Marine Laboratory 42 highly maneuverable 42 GOCE 42 underwater robots 42 Mars rover 42 remotely piloted 42 scramjet 41 planetary exploration 41 Martian surface 41 robots 41 seabed 41 remote sensing 41 unmanned aerial vehicle 41 undersea warfare 41 seafloor 41 Mariana Trench 41 ground penetrating radar 41 infrared spectrometer 41 robot 41 infrared telescope 41 synthetic aperture radar 41 steerable 41 Unmanned Aerial Vehicle 41 hydrodynamics 41 rover 40 scan sonar 40 robotics 40 dimensional seismic 40 hovercraft 40 inertial navigation 40 divers 40 anti submarine warfare 40 Aegis radar 40 UAVs 40 unmanned aerial vehicles 40 geosynchronous orbit 40 sensor fusion 40 LIDAR 40 Aegis Weapon System 40 Crew Exploration 39 electrically driven 39 X #B 39 aerostats 39 Aegis destroyers 39 spectrometers 39 oceanography 39 electromagnetics 39 biomimetic 39 unpowered 39 UAV 39 submarines 39 Hovercraft 39 shallow waters 39 NASA Lunar Reconnaissance 39 Submarines 39 seamount 39 rovers 39 biosensors