The Search and Rescue of a U-Boat Wreck

Divers have to carry tools plus a big underwater flashlight because it is pitch black down there. They also have microphones and cameras so that the boat up top that they dove from can hear and see what they are seeing, communicate with them as they're investigating this wreck. So their every move in real time is being recorded and watched by a team. It doesn't take long for them to find the first body and then the second, then two more. And as they keep searching, they're shining their flashlights into this murky saltwater while talking to the technicians above who are watching everything. But then suddenly something happens the cameras don't see. A human hand reaches forward through the cloudy water