For the first time, humans will visit the deepest part of each of the five oceans, plunging to the sea floor using a two-person craft designed to withstand the intense pressures more than 5.5 miles (9 km) below the surface.
For the first time, humans will visit the deepest part of each of the five oceans, plunging to the sea floor using a two-person craft designed to withstand the intense pressures more than 5.5 miles (9 km) below the surface.