Patrick Lahey, the co-founder and CEO of Triton Submarines, one of the leading ... “is designed” for repeated trips to the deep ocean at a depth of about 4,000 meters, which is deeper than ...
Ocean depth is divided into zones: littoral, bathyal, abyssal and hadal. The deepest part of the ocean, the hadal zone, is anywhere deeper than six kilometres. What is the average depth of the ocean?