Related by context. Frequent words. (Click for all words.) 58 HMAS Sydney 56 Andrea Doria 54 Scapa Flow 54 Helldiver 53 German Luftwaffe 52 seamen aboard 52 Kormoran 52 submarine 51 warship 51 HMS Vanguard 51 destroyer escort 51 crewmen aboard 51 unmanned submarines 50 Navy diver 50 REMUS 50 shipwrecks 50 TWA flight 49 Roald Amundsen 49 LSTs 49 oceanographic survey 49 USS Saratoga 49 USS Cole destroyer 49 navy diver 49 Ferry sinks 49 troopship 49 naval warship 49 HL Hunley 48 Bonhomme Richard 48 antisubmarine 48 Odyssey Explorer 48 underwater robot 48 whaling vessel 48 naval frigate 48 capsized ferry 48 shipwreck 47 Galileo spacecraft 47 ferry Dona Paz 47 Bremerhaven Germany 47 Warship 47 trawler 47 Beaufort Inlet 47 robotic submarine 47 whaling ships 47 Luftwaffe 47 navy warship 46 brigantine 46 naval vessel 46 French Frigate Shoals 46 Aegis destroyer 46 sunken ships 46 HMCS Chicoutimi 46 crewmen 46 Jacques Yves Cousteau 46 Ernest Shackleton 46 #nd Fighter Group 46 USS Hornet 46 fishing trawler 46 HMS Sussex 46 Submarine Force 46 TWA airliner 46 Den Helder 46 Exxon Valdez supertanker 46 destroyer USS Cole 46 minesweeper 46 Spanish galleon 46 crewmembers aboard 46 Antarctic Territory 46 battleships 45 Thor Heyerdahl 45 Navy Submarine 45 HMS Astute 45 L' Acadien II 45 EA 6B Prowler 45 battleship USS 45 Aleutian Islands 45 Capsized 45 Expeditionary Force 45 frogmen 45 navy frigate 45 Sea Shepherd vessel 45 dirigible 45 torpedo bombers 45 aviator Amelia Earhart 45 Aegis radar 45 deepwater drilling rig 45 HMS Illustrious 45 sunken vessels 45 frigate 45 submersible 45 MSC Napoli 44 torpedo tubes 44 missile cruiser USS 44 Antarctic seas 44 giant squid 44 ocean depths 44 Crewmen 44 Fastnet Race 44 USS Juneau 44 seabed 44 Lagarto 44 Cheonan corvette