Related by context. Frequent words. (Click for all words.) 54 spotter planes 53 Unmanned Aerial Vehicles UAVs 49 submarines 49 AUVs 49 sonars 48 Unmanned Aerial Vehicles 48 pingers 47 unmanned underwater 47 submarine warfare 45 Sperm whales 45 Unmanned aircraft 45 sonar 45 minesweeping 45 UAVs 44 unmanned aerial drones 44 Aegis destroyers 44 maritime reconnaissance 44 unmanned aerial vehicles 44 Harpoon missiles 44 motherships 43 underwater sonar 43 radars 43 warships 43 Reconnaissance ISR 43 robotic spacecraft 43 minesweepers 43 Frigates 43 Militaries 43 maritime interdiction 43 warfighting capabilities 43 Ballistic Missile 43 Aegis radar 42 spy drones 42 vessels 42 ships 42 bombmakers 42 Auroras 42 remotely piloted aircraft 42 satellites 42 EA 6B 42 aerial drones 42 frogmen 42 Submarines 42 laser rangefinder 42 JTACs 42 highly maneuverable 42 incoming ballistic missiles 41 toothed whales 41 undersea warfare 41 navies 41 airlifters 41 naval ships 41 UAV 41 submarine 41 navy destroyer 41 drones 41 supersonic cruise missile 41 Akula class 41 Trident submarines 41 AESA radar 41 fleets 41 vision scopes 41 merchant ships 40 asymmetric threats 40 nearshore waters 40 predator drones 40 stealth bombers 40 M#s [001] 40 naval destroyer 40 ballistic missile submarine 40 sensor arrays 40 hostiles 40 infra red cameras 40 UUV 40 Dornier aircraft 40 airborne reconnaissance 40 CH #E 40 F/A-# Hornets 40 Radars 40 autonomous robots 40 resupply missions 40 spy satellites 40 naval vessels 40 reconnaissance 39 pilotless aircraft 39 hydrophones 39 navy ships 39 migrating whales 39 unmanned aircraft 39 cetaceans 39 cargo ships 39 Tornado GR4 39 SSGN 39 unmanned 39 ballistic missile submarines 39 autonomous underwater 39 trawl nets 39 emplacements 39 torpedo tubes 39 Reaper drones 39 anti submarine warfare