How deep does the ocean go ... Survey The Pacific Ocean is riven with oceanic trenches 3-4 km deeper than the ocean bottom ...

The ocean covers 70% of Earth, yet only 5% has been explored. What we do know shows how vital and fascinating the oceans are ...

They Include: Together, these oceans contain 97% of the Earth's water, with about 80% of their vast depths remaining ...

Operating in the depths of the ocean is a challenge that India must embrace to maximise its economic potential and protect its security interests. This is more so given that China is the world leader ...