>> good gracious, thank you. we're going to turn now to our experts. former ntsb, faa investigators, a commercial pilot and an aviation accident investigator and captain chuck nash, a fox news military contributor. let me start with you on this doctor, the thought of going 2 1/2 to three miles under the ocean to try to find bits and pieces that may or may not be there, seems overwhelming, how do they start? >> well, that you're right. we've done it before in west indian ocean, we found a 747 south african air ways lost one back in 807. it took them two years. they knew roughly where the aircraft was. they didn't get to it while the pingers were still operational. this took them two years.