pump separator, a small electric device that works in our life support backpack so they replaced that on that suit that luka wore, the same suit that mike hopkins is going to wear tomorrow and the suit has been, that part has been replaced, the suit has been checked out and working fine. we don't expect any problems but just in case. >> that snorkel thing, explain that to me. >> just in case, you mentioned the snorkel. water absorbing pad is going to be in the back of the helmet to soak up any water that might spill out and the snorkel is not like a snorkel you imagine if you're going snorkeling in the ocean or a swimming pool. it's a hose, more like a piece of tubing that is a piece from a larger piece of tubing that we use in our space suits so it's an approved piece of material, that tube is placed unside of the suit so if the astronaut needs to get air just in case, they can lean over inside of the helmet and get to this piece of tubing which they're calling a