couldn t get out. it s not just about can you see your way out. it s can you get up the ladder, over the bunk, find the emergency escape hatch and get up it. and it s difficult to maneuver. you have a lot of people in that birthing compartment. the pictures i have seen of it suggest to me it s very claustrophobic in that birthing compartment. maybe somebody will make the argument that the berth should have been above that rather than below that. reporter: so the priority now facing divers, how to get the boat off the bottom of the ocean without it breaking up and losing key evidence. they brought in a side so tphar which is identical to those used by the navy to find airplanes to give engineers on the top side a clear picture of the hull and where to put the air bags. now, there s no timetable for that right now. it will depend on the conditions below and the surface as well. then the decision will be made whether it goes onto a barge to