listeners now, this was 400 feet long and designed to travel 1.5 tons around the world without refueling. at the time it went down it was one of the large efst submarine created. why was it so hard to find all of these years? all of the positions were actually hard to find. we were actually looking at bottom data and you can get nominallies on that, that may or may not be a vessel, a rock formation. wh when we were aware that we were aware that the length was shorter than 400 feet. we didn t expect that it was the i-400. as we approached and got our sonar contact, we could see that it was man made and it wasn t a