I'm sure I replied to this earlier, It is indeed a really open vagina that is controlled remotely from the ship gobbling up all the fish. On this planet it's a remotely operated vehicle, used in the oil/gas industry mostly. A big boys toy looks like this
hmm, do posts that contain pictures always need admin approval, I've replied to this thread twice now n they don't show
hmm, my post in reply to Dogface has never appeared so in answer to your question an ROV is a remotely operated vehicle. Generally a Sub controlled from a ship or rig for various operations mainly in the oil/gas industry. Here's a pic of the one's I work on. And the control room And some of the things we see