CNN CNN Newsroom April 16, 2014 19:08:00
>> if this submersible could get to where the wreckage is, how effective do you think it could be? >> very effective. >> this is a view of a buried submersible. it can go 3,000 feet deep but like all research subs it's slow. it only travels just over 1 mile per hour when searching. the sub was called to duty in 1986 after the space shuttle challenger exploded and it recovered some of the wreckage. >> we have the capability of lifting around 1,000 pounds of weight to the surface. >> and the very front of the submersible, a tool called the manipulator which does the important work of grabbing, s...