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To the seafloor. in addition, you have to know where you are. that unmanned vehicle has controls for itself, got navigation systems, sonar systems. all those theys have things ha work in concert. it's a very complicated process. >> they basically have been flying blindly because they haven't mapped it. >> right, they're doing their best estimate of what's down there to do their planning. >> i want you to show us what that mapping looks like until we can see how this works. >> they're building a map right now. what they'll do is have a plan of where they're going to map. they'll just drive that...

>> and the weather is rough today. that means they can't put the submarine in the water. which is -- i don't know. it works underwater. that's kind of hard to understand. >> well, so like a lot of things, the riskiest time for these types of systems is during launch and during recovery. and the rougher the seria, the higher the sea stake, the more likely for instances, for instance, a collision with a ship. when an auv and slip collide, the ship wins every time. >> i can see that. is there any sub meantry technology that can be used along with this drone submarine that might make the task fast...

Capability is the passive and active sonar and they're really sensitive. this submarine is used to track other submarines. so it's sonar systems are super, super sensitive. >> so better capability to find things because it's more sensitive with its detection technology. >> absolutely. it is listening for those pipgs. as we already pointed out, we're down to the last few days of this now. the battery life could last up to 40 days. >> could also be 20 days based on how they're stored. it's just much more difficult to find it once the pinger stops. one thing we hopped over that we should go back ...

That is great if you are looking for ships or land masses. it's suboptimal if you are looking for aircraft debro. >> is that where a submarine comes in? you have the pinger draped below it and how does the submarine work? >> this is a hunter submarine and they have missiles. they have about 35 knots, quicker than the ocean shield. this is specific to the capability. this is the passive and active sonar. this submarine is used to track others. that's what it is designed for. the sonar systems are sensitive. >> it gives you more range because it's faster and better to find things because it's wi...

Passive and active sonar. they're really sensitive. this is used to track other submarines, hunt and kill russian subs. sonar systems are super sensitive. >> it gives more range because it's faster and better capability to find things. >> absolutely. the listening bit, it's listening for pings. as we pointed out we're down to the last few days of this now. we know from experts, the battery life could last up to 40 days. we're nudging on that final ten days. >> could be 20 days based on how they're stored. >> the pinger running out of juice if it has any left. >> and it was functions right. c...