Ocean Silt News Today : Breaking News, Live Updates & Top Stories | Vimarsana

So a little perspective. imagine scouring chicago in the pitch dark. sit is it is a task that the u.s. navy admits will take two weeks to six months. you have ocean silt. those are just a few of the many challenges facing this piece of equipment. and tom foreman breaks down the other potential set backs that could affect the underwater search. tom? >> the challenges facing the crew operating the blue fin are really quite immense on the surface of the water. beneath the water it gets unbelievably complicated because they are entering a foreign and hostile environment in the deep ocean. it sound...

He's turning the scientific mission into a movie. >> it's that need to see what's there beyond the edge of your lights. to see the unknown for yourself. >> reporter: the pressure at nearly 15,000 feet is crushing, and very few manned submarines can withstand it. >> there are only half a dozen subs that can go to basically half the ocean depth, with a number of countries having that capability. it gets to the point of, of collapse. it basically implodes. it just crushes. >> reporter: finding the plane is daunting. bringing it back from the deep, even more difficult. ed lavandera, cnn. let's t...

Gullies and canyons, and the ocean silt, as much as ten meters in height and thickness. really complicating when it comes to locating the flight data recorder and also debris that may have sunk, where it goes down to 20,000 feet. and ping detection, 7,000 feet deep. in the plateau region, as well. so plenty of range and t topography to work with there. so there is the region where we know it is in the tens of meters as far as thickness is concerned. what a lot of officials here have touched on, when you talk about the meters, 30-plus in silt, the sound will be deflected. as a typical bed rock ...