have the capability. they ve done this before. reporter: retired navy captain chip mccord has been involved in at least 50 ocean salvage operations include twag 800 800 and swissair which crashed in 1998 off the coast of nova scotia. the vehicles are equipped are lights and cameras and are outfitted with sonar to skoutd for debris. they are steered by two operators on board the ship above who use instant feedback if the salvage vehicles cameras to direct the robotic arms. they can hover, they can move left right, forward and aft and go to what they need very carefully hover over a piece and pick it up if they need to. remember air france flight 447 which crashed in the atlantic ocean in 2009? two years later, an unmanned underwater vehicle found the debris field for that flight 13,000 feet beneath the surface.