On Sun, 2 May 2010 17:07:53 -0400, (---MIKE---)
wrote:

Why can't they use one of the subs that was used to probe the Titanic
wreck? They can take people down to great depths.


The ROVs used in off-shore oil/gas fields are specialty items. Built
for various tasks. I don't think they need a manned unit, as they can
see the leaks from the operator's monitor on the ship.