exist, and they are not vm that can go as much as two and a half to three miles, deep manned and deep obje-- robotic systems, bu once you found what you're looking for they really have a very limited area and move much more slowly than the bluefin. the bluefins seem relatively slow compared to an aircraft or ship on the surface, but much faster than sending a manned system down where you really don't know what you're looking for, and they would have sonar. but you see the bluefin, and there are several other pieces of equipment that are designed to do this survey. and imaging with sound. but, having -- and there is a place, i love the place, where manned systems and the robot. but first you have to find the system. >> coming up well after a month, it is very likely that the black