CNN The Situation Room March 14, 2014 21:43:00
Miles. that's a totally different type of technology that would be needed to do an underwater search. >> what's the new technology that you would need? >> in air trans we had something akin to underwater drones, auvs. and we had several of those on one boat and they could make an incredibly detail map working together in concert to, in essence, the track lines were like the most precise lawn mowing or field plowing that you can get. the last thing you want to do is to go into the haystack and miss the plane, go over an area and say it's not there and miss it and go on to the next place. so we ...
Source: archive.org