Ship captains 3 Submarines (Ships) 2 Ahab, Captain (Fictitious character) 1 British 1 Degeneration 1 Europeans 1 Event Group (Imaginary organization) 1 FICTION -- Psychological 1 Fiction 1 Fugitives from justice 1 Imaginary wars and battles 1 Immigrants 1 Imperialism 1 Mentally ill 1 Naval history, Modern 1 Nemo, Captain (Fictitious character) 1 Ocean travel 1 Pirates 1 Sailors 1 Shipwrecks 1 Trading posts 1 Underwater exploration 1 Whales 1 Whaling 1 Whaling ships 1