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1868
Charles Thomson found sea life at 4389m-navigation -
1872
Louis Agassiz collects 30,000 marine specimen-trade/scientific research -
1882
Albatross becomes the first oceanographic research vessel-scientific research -
1912
Titanic sinks and a device is created to find objects ahead of a vessel-scientific research -
1934
William Beebe and Otis Barton pioneered manned exploration of the ocean-navigation -
1943
Jacques Cousteau and Emile Gagnan engineer the Aqua-Lung, changing how humans interact with the sea-navigation/scientific research -
1960
Trieste reaches the deepest point in the Mariana trench-navigation -
1961
The Scripps Institution of technology develops the Deep Tow System, helping discover unmanned oceanographic systems-navigation -
1977
Hydrothermal vents are discovered-recreation -
1992
TOPEX/Poseidon satellite starts to map out the surface of the sea-navigation/recreation