three miles, three-plus miles down. down at this level it's just above freezing. the water pressure is incredibly intense. there's no light at all. so this is operating in a very inhos pitable environment. it's actually very calm down here. that's one of the good points. once they get a sense of what's going on on the floor, once it gets down there and starts taking pictures, we will have a picture of the floor down here and it's nice and calm down here. part of what makes this so inhos pitible though is this range of operation. it has to be operated on the surface by a boat up here. the ship on the surface will have to deploy, operate, and retrieve this thing in conditions that can often be very rough up here. all of which can significantly affect its ability to operate down here with the bluefin. so even though we're talking about a process that can take