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jake zweig, former navy seal. those numbers. what does that tell but the pace of this operation right now? >> they got it down at this point. yesterday was a real run. they got four out. now they understand come meetly what they're doing. they probably got all the obstacles worked out, the checkpoints. they took some corrective action overnight and they're rolling. ainsley: dan, how complex is it to get these little boys to breathe underwater, teach them how to do that? >> this is a very challenging operation. even in the best of conditions, diving is a difficult endeavor. so for these boys, it will require incredible calmness and patience. we have the seal thai divers that are the best in the world. ed: things you we don't know, how much pressure these navy seals are under. it is wonderful news, miraculous. we can't take for granted haas shun. minute detail, if one thing goes wrong they could lose one or more boys. it seems like this is pinpoint precise? >> yes. and the big thing to remember too, is they have got