discover is does the unit, the submersible have releasable beak ops, emergency beacons, so if it does, then would have possibly released a beacon or two to the surface so that there could be tracking signals, a signal coming off that have that our coast guard, the canadians, the brits would be able to pick up and then be able to start to track where it might have come from. we d be looking at what has happened in the last 48 hours to the weather what, conditions may have change that had are not normal, what would have happened with the currents at the depths and in between the bottom at 12,000 plus feet. could a current have suddenly taken or overrode the power of the unit, the submersible that s down. next would be the proper submersible should have a beacon