A submarine is used to see life that lives under the depths of the ocean. How then people that go for research under the ocean can go down and come back up with full safety and invent something new that the world can use to learn more about ocean life.
Submarines can be manned or robotic submersibles. In the undersea universe they can be used to explore the deepest points on Earth such as the Marianna Trenches. Within the Solar System the possibility of using robotic submarines may allow us to explore the Europa's under ice ocean.
Atlantic Ocean.
a trieste or a submersible is used to explore the ocean floor
they r used to explore the ocean by their highly zooming cameras
echo location is used to study, and map the ocean floor. submarines and camaras can also be used.
Some Japanese submarines were used in the Indian ocean, but none had enough range to reach Europe.
submarien
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Jason 2 and Medea are advanced submarines used for ocean exploration and research. Jason 2, an remotely operated vehicle (ROV), is equipped with high-definition cameras and various scientific instruments, allowing researchers to study deep-sea environments and marine life in real-time. Medea, a manned submersible, enables scientists to dive deeper into the ocean, facilitating hands-on research and direct observation of underwater ecosystems. Together, they have contributed significantly to our understanding of oceanic processes and biodiversity.
Submarines have been used in most wars involving naval combat since WWI
this is where they got help
During WW2, all the major countries involved used submarines.