It is a quiet and peaceful place - and a fitting place for the remains of this greatest of sea tragedies to rest.

What drives me is exploration with a purpose, more the classic Royal Geographical Society genre.

Fifty percent of the United States of America is underneath the ocean. And we have better maps of Mars than those areas.

I prefer sayings over jokes.

The Titanic will protect itself.

So, you know, I think the age of exploration is just beginning, not ending, on our planet.

If you compare NASA's annual budget to explore the heavens, that one year budget would fund NOAA's budget to explore the oceans for 1,600 years.