conditions at the time. and basically, follow the trail back up to a pe ten shall impact zone. from there, gets challenging. you need to bring in ship-based assets to use something called multi-i beam sonar. it's a fan of energy, sound, to look at the ocean floor. look for anomalies. >> you have actually led deep sea expedition. and last guest is saying this could be anything. a lot of people don't think this is this plane. they think an 80 foot piece of something in the ocean is not likely to be an aircraft two weeks after the fact and a lot of folks have said that that is too big to be a cargo but others said that is exactly what a cargo container would look like. your thoughts?