Running out of gas situation. a debris field in this situation because the submarine is experimental, and it's made of carbon fiber and titanium could look a lot different than what a typical debris field from a submarine could look like. carbon fiber can shatter like glass, if it implodes and breaks. it will just crush up. but all the things that are on the outside of the batteries, the electrical systems, the cables, the ballast will all break apart and fall off and settle on theff bottom. so i assume if they found a debris field, they've tracked that debris field and followed it to the main...