We've had plenty of forays into the ocean by private oil companies: http://directorblue.blogspot.com/2008/11/mile-and-half-deep-submersible.html http://director

We've had plenty of forays into the ocean by private oil companies: http://directorblue.blogspot.com/2008/11/mile-and-half-deep-submersible.html http://directorblue.blogspot.com/2008/11/mile-and-half-deep-... This is much more inspiring, though.