we re talking about bay of bengal, you can get down fairly easily down to a couple miles depth. and the further south you go towards the southwest or even to the south, south or southwest well, the seafloor gets progressively deeper down to three-plus miles and far more rugged. up to the north, it s sediment coverage. that makes finding or hearing the ping tougher. in the more rugged terrain, you know, south, it could be rugged volcanic terrain as opposed to sediment. it can be really tough. and the other thing is, in the gulf of thailand, the water s very shallow. a couple hundred feet. you can use there s quite a bit of equipment available to survey those kinds of water depths but once you get into the deep water, then you re talking about have fairly specialized equipment that also requires fairly specialized ships to carry it. everything is trending towards the more difficult right now. okay. so, andrew, i know you re