meters down and it triggered a safety mechanism which said i'm too deep below my operating maximum. it went back up to the surface after only six hours of going along the bottom and mapping that surface with the side-scan s sonar. they will be analyzing the data and sending it back down soon. it is a very laborious process. but this one is cut short. one interesting observation, the ships searching for debris on the surface, 200 to 300 miles to the west of where the bluefin is operating they turned and headed south in the last 24 hours or so. they are looking for debris on the surface.