CNN The Situation Room April 15, 2014 21:03:00
Shed light on just how little is known about this remote part of the indian ocean. above water, bad weather threatens even more delays. high winds held up today's deployment by hours. experts say it will only get worse as winter sets in. still, the search chief says bluefin-21 is their only option. >> that's the only asset that is available now and i would stress, again, the capability required is to be able to go down to 4,500 meters. and this vehicle is limited once it gets -- the water gets deeper than that. so we would have to get another vehicle if the water were to be deeper still. >> re...