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Idea where the airplane is to go look for it. it makes a big difference whether it is flat sandy bottom where you get a nice sonar return or steep canyons or a coral environment. that will be really difficult for an auv. >> what do you say? >> we agree, of course. >> i'll tell you, it will be difficult for any sonar system if it is in rocky terrain. it goes with the territory. it is going to be difficult. >> it is just how it is. >> you can't tow stuff through it, you cannot run stuff through it. >> everybody sit back and listen. we'll go to you, paul, so you can tell us about this. they're fo...
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