What does it take to salvage a plane from the deepest areas of the Indian Ocean?

Some parts of the Indian Ocean near the Flight 370 search zone reach depths over 20,000 feet. In comparison, Mount Everest is 29,000 feet. What happens if searchers find something, and it is at the bottom of the ocean? Randi Kaye takes a closer look.

Anderson discussed the logistics with David Gallo who co-led the search for Air France Flight 447 and Sylvain Pascaud who was a technical advisor on that same investigation.