submarine, the estimate was they had about seven or eight days provisions onboard. maybe less time than that assuming they could make oxygen for themselves. so clearly we're on the outer limits of that window. it's been about a week. and that's not good. it's not good we haven't had in contact with that submarine in that time. it's a race against the clock. i think everybody's treating it that way. which is why now you've got the russians coming onboard with some deep sea assets. everybody pitching in to try and do what they can. >> admiral, we have to turn to that downed missing plane and the search for three missing sailors. eight people were rescued and apparently in good condition, which is good news. but do you think everyone involved in the crash is going to be concentrated in that same area or do they have to look further out? >> so what's happening now as you would expect after a day or so, they're expanding the area they're looking at. that's because they knew where the plane went it down, and when