CNN CNN Special Report March 31, 2014 05:02:00
Naval base on their western coast. the reason we're here is because we're monitoring the movements here of ocean shield. you see it. you can't miss it, really, it's bright red, docked here at the naval base. it arrived here over the weekend. crews have been very busy here. they've been outfitting this ship with u.s. navy technology that we hope is going to really help in this search. there is the tpl, that towed pinger locator. it's basically a giant underwater microphone. you tow it behind the ship and it listens for the fading ping from the cockpit voice recorder and inflight data reporter. ...