that's just another way kbb.com helps you make a smart new car decision. this is cnn breaking news. this is a cnn special report. the mystery of flight 370. the bluefin-21, the navy's underwater search vehicle scoured the indian ocean for the first time for about six hours. it was supposed to be under water for 16 hours, but officials say it went deeper than its operating depth limit, so it aborted the mission and returned to the surface. it is now being extracted before it is sent back into the water later on on tuesday. we also have intriguing

questions about the co-pilot's cell phone. officials say it was turned on and searching for service around the time the plane van earned from radar. you have been tweeting us your questions by the thousands, and we have top aviation and security experts standing by to answer them, like this one from raymond. with all this technology we have, why did they wait to deploy a blue fin sub, why now, 38 days later? now i want to go right to cnn's reporters in the search zone. joe johns is in kuala lumpur. on this first day of being deployed, bluefin-21 had to l n return to the surface many hours before planned. what can you tell us about that? >> reporter: it speaks to what we don't know about the ocean floor there. as we've said before, we know

more about the surface of the moon than the ocean floor in that part of the indian ocean. now the bluefin-21 went down there. the best guess that they had was that the ocean floor might be 42 to 4400 meters down. well, the blue fin got to 4500 meters down, and that triggered an internal mechanism, a safety mechanism, if you like, in the blue fin, which said i'm too deep, i'm below my operating maximum, i have to go back up to the surface. it went back up to the surface after only six hours of going along the bottom and starting to map that surface with its side scan sonar, back to the top they've been downloading the data and analyzing it. and they'll be sending it back down soon. it is, as we've reported all along, a very laborious process, about 15.5 square miles on each of these trips. one other interesting observation, the ships that have

been searching for debris on the surface, about 200 to 400 miles to the west everywhere the blue fin is operating, they all turned and headed suddenly south over the last 24 hours or so. they've been operating in that one area looking for debris on the surface. they've now headed south. they're heading roughly to the area where they were looking a week or two back. so an interesting development there. all of them heading south at about 14, 15 knots at the moment. >> what about the latest on this slick that was spotted in the ocean? is this something the crews will be focusing on as the search enters the next phase? >> reporter: yeah, well, they've got to act on anything they find, don. they did see this slick. they took a 2 liter sample of it and sent it back to perth to be analyzed. exactly what they're going to work out is the composition of

that oil. could be matched to the type of engine oil that would have been in the engines of malaysia flight 370. could it be hydraulic fluid. if there were wreckage on the bottom, it could leak out on its own accord after this supposed crash. they're looking into that, hopefully results in a day or two. >> to joe johns now. about these reports that the co-pilot's cell phone was on and picked up by a cell tower, what are the malaysians saying about that? >> reporter: well, the acting transport minister and defense minister was asked about that, and he gave effectively what was a non-answer. he said on the one hand as far as he knows there was no cell call, which we knew, but he said all of this is in the province of the police and other agencies. and in due time that information will come out, though he doesn't want to speculate. so taken all together, it sounds like anything's possible.

now this has always sounded, ever since it surfaced over the weekend in the newspapers here in malaysia, like some type of a digital handshake between the co-pilot's cell phone and a tel-com tower. >> how are the families there holding up at this point? >> reporter: well, it's really tough. we did manage to speak to the wife of one of the crew members, and she said a variety of things. there's too much speculation. she doesn't know what to believe. there's not a shred of evidence. they're keeping their fingers crossed, carrying on with their lives. and then there's this quote that tugs at your heartstrings. she says my husband is a crew member, so down deep in my heart and mind i believe he's just gone to work. he always used to travel for long periods of time, so i'm not mourning, i'm not grieving, i'm

just taking this casually. so it sounds like at least one family member and probably others are still holding out that a miracle could happen. >> thank you. i want to check in with martin savage. right now he's in a 777 flight simulator. they are reporting that the co-pil co-pilot's cell phone was on and made contact with a tower. that was during the time the plane disappeared from radar. what does this tell us, if anything? >> first of all, we have to determine which time it disappeared from radar. there was twice. then there was the time it disappeared off of malaysian military radar. it seems the second time there might be the most pertinent to what we're talking about. mitchell's sort of simulating it now. we're over the area where supposedly this cell tower was that intercepted this hand shake, as it were. we would send the plane down at

a very steep angle, at a very sharp turn. getting down to about 5,000 fight or below, which is when you might expect that a cell tower connection could be made. so this all fits in to what was reported earlier. a plane turning, veering off course, going over the part of the northern peninsula of malaysia. so it fits. the weird part, though, is why was that phone on? because it goes against all the rules of the cockpit. >> i want to ask the pilot, mitchell. is that unusual for a pilot to use their cell phone in the cockpit? >> yeah, it is, in flight anyway. can you use it obviously if you're on the ground at the gate, but in the air, it's a big no, no. >> and they're not supposed to have cell phones on at all during a flight, because one, it could interfere, but it takes their mind off of the job of flying. >> that's right. >> so if you see it on, if

you've heard this report, what does it say to you? >> abnormal. abnormal situation. >> is it communication? we don't know. >> we still don't know what's behind it. we'll have to let this play out a little longer. thank you very much, martin and mitchell. first the author of extreme fear, and mary schiavo, now an attorney for victims of transportation accidents. david succi, author of why planes crash. brett larson, and jeffrey thomas, editor in chief of airli airlineratings.com. i want to go to brett larson. we discussed this in the beginning about why 239 people on board, those were the bulk of our twitter questions coming in from viewers, and now only one phone on in the plane? does that make sense? >> it doesn't make any sense at

all, don. and a lot of the details we have about their incident don't make a lot of sense. it seems highly suspect that just one cell phone would ping one of these towers, would make that handshake to say hey, i'm trying to make a cell connection here. are you an available tower, which is the situation that we have. the other thing that we don't know here, don is we don't know if this was an accidentally left on phone, if maybe he forgot to shut it off when they pushed back from the gate when they took off, and there's information that we still need to get about that, and the cell companies could get that information for us. they could say, yes, the last time we handed off his phone, it was when they were taking off from the airport, and then it never reappeared on the network until this time. that would suggest that the phone was left on, but i'm not thinking that's what happened here. to me it seems that the phone was in fact switched on. when you're at that elevation, when you're at that below 10,000 to 12,000 feet range you are going to be able to don't a cell

phone tower. >> what conclusions do we get from the co-pilot's phone being picked up. was it an effort to seek help? maybe we haven't gotten to the point in the investigation where they have checked to see if other cell phones were trying to be reached by towers or picking up signals. i'm not sure, what do we get from this? >> the thing that we can get is that the malaysian authorities are still dragging us around and giving us dribs and drabs of information. we say what, no cell phone calls? and they said yes, no cell phone calls until now. so that's a fact. we know that the investigation might have more information than they're letting out. you could think of a lot of scenarios for this. you could fill up a bookshelf for different plots for novels. but you can also think of very benign reasons which is they had an event on the plane, something

happened. they lost communications and they were heading back to the airport and the pilot says to the co-pilot, get on your cell phone because we can't go flying into malaysia at night as an unidentified aircraft and see if we can't get some communications. i'm going to go down to 5,000 feet so you have a chance. you can think of a benign one and lots of nefarious ones too. it's a mystery without a final page. >> mm-hm. i want to go to a pilot now. tim tillman. we discussed this in the very beginning about cell phones being on. do pilots keep their cell phones on in the cockpit or ever use them in the cockpit? i would think yes. >> the answer to that is yes, particularly sitting at the gate on the ground when they're not involved in any other part of the flight operation. but once, you know, the doors are shut and that sort of thing, the pilots that i know stow that phone away, and it stays there

until such time as they're back on the ground and chocked again. it's not a common thing, as far as i'm concerned to have a cell phone conversation from the cockpit of a plane in flight. >> i've heard figures that say that, you know, up to 30% of cell phones aren't turned off during flights. do you buy that only one cell phone was on out of 239 people? and let me preface this by saying, you can leave your cell phone on now in the united states, but they ask you to put it in airplane mode, i'm not sure what the rules are in malaysia, but 30% of phones being on, and then, you know, are in not in airplane mode? what are the chances that just one was on? >> seems really unlikely. i've certainly done it, who hasn't done it? gone on a plane and gotten off a plane at the end and realized, oh, i left my phone on all the time. it seems likely, and the fact it was only picked up by one cell

phone tower? the possibilities there seem rather strange. you know, one thing that was interesting that happened today, apparently the faa itself here in the united states just today introduced a new policy that flight, that the flight attendants aren't allowed to use their cell phones in flight, which you would think they would have done already a long time ago. but i think it's just a coincidence that that new policy came into effect today. >> david, to you now. what's your take on this? how important is this new piece of information you think? >> it speaks as mary said back to the credibility of the malaysian government and the way they're running this operation. i wanted to point out, i've done a lot of time in the cockpit, thousands of hours observing, monitoring and understanding the processes and reporting to the faa how pilots perform in the cockpit. and every single time, the pilots in their checklist. it says turn off any communication devices. some airlines word it differently, but basically, it

is in their checklist. at least when i was riding with them, they always, even if the phones were in their bags, they'd open them up, look at them, make sure they're off. i can't see that this was, it's unprobable to me, at least in american airways that this would have been left on, but that doesn't mean anything. when the faa's inspector is sitting behind you, you do the job right. so that's probably not a good sample size. >> you don't necessarily believe that the plane had to be flying at a low altitude to pick up the cell phone signal? why is that? i imagine if it's a clear night, sometimes you can get the signal at a higher altitude, right? >> true confession, true confession time, i left my cell phone on flying between perth and melbourne on the east coast and i got a text message at 35,000 feet, and it was a very rude awakening and quickly turned it off, but yes, at 35,000 feet, i got a signal, so

certainly, at a lower altitude more chance of picking up a signal, but certainly at a higher altitude, personal experience, yes, you can pick up a signal. >> all right. stick with me, everybody. when we come back, a new chapters in the search for flight 370. underwater search with the blue fin. what will the data reveal? ♪ ben! ♪

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back now with our breaking news. the underwater search vehicle, bluefin-21 collected raw data today before it exceeded its maximum depth and returned to the surface early. that data is now being, tra extd and analyzed. what more can you tell us about that? >> reporter: look, interesting, don, it had been alluded to that if the bottom was low, if the surface of the ocean bed was lower than four and a half

thousand meters, we understand that equipment has been on stand by for some time, it may be well that it is flown out in the next day or so. and this is one of those robotic vehicles that can go well below four and a half thousand meters, usually with robotic arms, floodlights, that sort of thing. >> the new zealand searchers did spot some potential debris. what are you hearing about that? >> reporter: yes, they have. and in fact, we understand it's been photographed. we also understand it may have been picked up. we're not sure about that. but it is being analyzed at the moment. and we have yet to hear a definitive yes or no as to whether it's related to mh 370. hopefully we might know something within the next 24 hour on that. >> now to jeff wise here in new york. you know that blue fin had to

come up before it finished the job today. six hours instead of 16 hours because it exceeded its depth. are searchers relying too heavily on one piece of technology in this part of the search, jeff? >> you know, when these, they use a similar technology to use air france 447 back in 2011, and at that time they had three of these devices working a search pattern together. it's not entirely clear to me, now that we're now several years later why there aren't more such submersibles available. i do understand these vehicles do exist. it would seem that this would be a fairly high priority task for them to be set upon. you know, hopefully, if we don't get results soon, maybe they'll be able to find more such devices to search the area. >> david, i'm going to ask you because we have moved into this next phase now. but the information that we got about the pings. is that really the best

information that we have to date? and do you think the batteries are completely depleted now? >> i'm certainly the batteries are gone by now. and fortunately, i think we got some very reliable data with having a two-hour stretch of pings, solid pings now. something interesting that they said this evening on the report back from the towed pinger rotator captain was what he said was they're picking their best location based on the variances in the pings that they received along that two-mile trek. so they weren't just solid pingers. these were pings that were some louder. some softer. that can give you some clues. but in that water, those pings are bouncing all over the place. 's like hearing an echo in the canyon up in the mountains. it's really hard to figure out. some places it's louder. some places it's not. it doesn't give you a clue as to where it came from. >> i didn't have you here last night with that late night news

conference from angus houston. some of us were a little surprised by it. he said listen. we haven't seen anything in the water. the visual searches, and we're basically going to call that off within the next couple days and get everyone together to try to figure out what happens next. does this appear to be early on to be stopping the visual and air searches? or is this right on, right on target? >> well, yeah. i think it seems maybe a little early on, but the debris would be so far scattered that, you know, it's six of one, half-dozen of the other whether they would have any possibility of finding anything else, but that coupled with the statements about they thought they had the wreckage and they were going to send the one submersible down to the best possible area, and it was an area where they had gotten the pings. the pings had gotten louder as they passed over a certain area. and they got softer again. so they were thinking that they were literally right on top of t and perhaps they were very

optimistic and they called off the search for the debris because they clearly signaled that they thought they had it and they had a pretty good location rather than mapping the whole area around it. they were going to zero in right on the best spot that they thought. so, maybe they were just a little overly optimistic and thought they'd go down and be right on top of it, but, you know, who isn't? who doesn't want to find it right away. so, you know, reality might be setting in. >> i wonder if it's going to change things now that they possibly may have spotted some debris there. you know, jim tillman, you have been a big proponent of visual search for debris despite the lack of leads. are you disappointed the authorities will be tapering the search off in the next two or three days, especially given the fact that new zealanden searchers are trying to identify

the things they saw. >> yes. they say it takes another month or so. and we still have the above surface sightings going on. if we can get some sightings that will pay out to be sure enough, parts of that airplane, that's going to be huge. if for no other reason than the fact that it's going to bring everybody back on board mentally and emotionally and everything else to believe that hey, we're in the right place, we got the right ideas and now we're on the right track. i think that's a very important element. >> brett larson, we're grad you are here. much of this information came from satellite data. what do you think about the quality of the information now at hand for searchers? >> i think it's good, but i think given where we are as a nation and a world, it can be a whole lot better. this was a big popular discussion in the beginning of this incident. i think the imagery that they have is good. i think it's obviously coming

from some of the best satellites that we have overhead, watching down on us. i think the mathematical calculations that we're able to glean from that information coming off of the airplane is also very good. but i think, again, it could be a lot better, and as is always the case with any airline incident, it does always push us a little further along to better whatever it is we're putting in the air. >> all right. jeffrey, thomas, thank you, everybody else stay with me. and when we come back, why oceanographiers are paying close attention to the search. the other mysteries that could be solved by the search. doesn'e bunch of cleaning supplies. that's why he created the magic eraser extra power. just one eraser's versatile enough to clean all kinds of different surfaces and three times more grime per swipe. so instead of fussing with rags and buckets, you can get back to the great outdoors, which can be pretty great.

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i'm don lemon. for the first time today, officials searching for flight 370 deployed bluefin-21. it exceeded its maximum depth and had to return to the surface. it is the lone vessel and scientists are playing close attention. >> this is an area that is new to man. >> reporter: with no pings since last thursday, the search heads straight down to the ocean floor with what is known as an auv, the autonomous underwater vehicle, bluefin-21. >> the imagery i've seen, it's not sharply mountainous or anything. it's more flat and almost

rolling. >> reporter: side scan sonar will produce a high-resolution, three-dimensional map, while searchers are hoping to spot evidence of flight 370. oceanographers want to take this chance to learn as much as they can about this part of the ocean. >> we know so little that we will learn something about the sea floor there. the hills and valleys, how rough it is. >> reporter: arnold gordon is a professor of oceanography at columbia university. on a personal note, do you find yourself glued to the television, reading articles, seeing what the latest is? >> i'm really curious what they're going to find. and this is fascinating. so yes, i am glued to the television and the stories coming out about this. >> reporter: oceanographers are on site, offering their knowledge of the deep and benefitting from a multi-million

operation with a focus on an otherwise overlooked part of the ocean. >> we're talking about billions of dollars to do this work. and obviously, if, if one wanted to do this from a scientific perspective, we would not get the funding. >> reporter: one potential obstacle for those looking for the plane, deep layers of silt at the bottom of the indian ocean could yield valuable new information for oceanographers. >> you can learn where it came from. what's the source of the sediment in that area. you learn something about the ocean bottom currents that move the sediment around. >> we're actually gathering information about the search environment all of the time. and that's factored into the analysis. >> reporter: while so much about flight 370 is shrouded in mystery, scientists hope to gain knowledge for the future. >> that was jean casarez reporting.

i'm joined now by sylvia earl, with the national geographic society. we spoke earlier, and i want to ask you again, in your experience, have you ever seen this kind of focus, both from officials and the general public on the deep sea and the ocean floor? >> well, certain other events come to mind, such as the sinking of the titanic and the ultimate discovery and knowledge that came from it. that, you know, the titanic is a little bit less deep than where this aircraft is thought to go down. two and a half-miles. the average depth of the ocean. huh, you know, two and a half-miles is not great in any other direction going up or this way, but in the ocean, it's still, you know, less is known about that than, than what we know of other parts of the solar system. >> mm-hm. you know, that was 1912 when it

sanction. and it's 102 years ago tonight. it hit the iceberg when it sanction. it went down in 1912. i think the wreckage was found in 1985. so it took some time, obviously the technology is better. but here's my question. compared to other ocean areas, how much do we know about the depth and complexity of the southern indian ocean? probably not that much, right? >> no. you know, only about 5% of the ocean has been mapped with the same degree of accuracy that we have for the moon or mars or even jupiter. and southern indian ocean is, it's one of the least explored, least known parts of the planet. some people think that earth is, is well explored, actually the greatest era of exploration is just beginning, because we're just beginning to have the right equipment to be able to explore the deep part of the ocean. and most of the ocean, as i say,

is the average depth, two and a half-miles. and this aircraft is thought to be in water a bit deeper than that. and just imagine, being in an airplane, three, two, or three miles up in the sky, and then trying to operate at a point on the land below. that's what these ships basically are challenged with trying to imagine what is three miles below. when you can't see what's there. so this is very exciting, tricky, challenging business. we have technology that can take us to the moon, but we still have trouble getting to the deep sea. >> yeah, i was going to say, moist of our planet has yet to be explored. >> that's right. >> and that's because we don't really know that much about the deep, as they say. i want to read this question from our viewer, brandon. he says if the wreckage of mh 370 is found, how will it be

pulled offer the ocean floor? how challenging is that process, and how will it happen? >> to recover the equipment is going to be a possible using remotely operated systems, such as were used with the recovery of the air france vehicle. the oil and gas industry has a number of these remotely operated systems, but they don't go as deep as where this aircraft is thought to be. there are a few pieces, in fact, equipment that is built here in california by deep ocean exploration and research that go to 6,000 meters. so that's able to go deeper. and one oceanographic institution has that equipment. and you see the 6,000 meter system, the university of hawaii

owns this particular piece of equipment and a private company owns equipment. so there aren't many such pieces of gear available. but there are some. and they can be deployed from ships of opportunity. and once the aircraft is discovered, then comes the difficult challenge of actually positioning yourself three miles above and lowering the equipment below. but it is feasible. it has been done. >> but it's very challenging. thank you. and i love that you're so calm, and i love how you just explain it so plainly. thank you sylvia earl, we appreciate you here on cnn. when we come back, my team of experts will answer your questions. but, manufacturing in the united states means advanced technology. we learned that technology allows us to be craft oriented. no one's losing their job. there's no beer robot that has suddenly chased them out.

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searchers tonight awaiting test results on samples found in the mh 370 area. also awaiting the first set of data from the bluefin-21 vehicle. our experts with me answering your questions and tweets. nick murphy says what would be

the purpose of flying this plane through several course changes until it ran out of fuel? >> if i knew that, i'd know a lot more than i know now. i can't imagine what purpose it would be. i did come up with something recently, we started thinking what would be the purpose of flying up around that channel. what if it was to avoid the airplane crashing into a populated area. i'm not sure we've discuss thad too much. because we went right to the nefarious event. but if that aircraft, to go to their maintenance base, he may have been trying to avoid land. >> interesting. this one is from jerry, jerry says would it be possible for the pilot to shut off one engine to save fuel and still maintain altitude? >> i think it's possible, but i don't think it makes a lot of sense. i keep trying to apply logic to what these scenarios are all

about. that one just doesn't have a whole lot of logic involved. >> this is a tweet from eric. he says if the pilot was able to disable acars, et cetera, how hard would it be to disable, disconnect black boxes? >> that's something we talked about actually a while ago. it seems they could have indeed turned off the black boxes. if indeed we find the flight data recorder, there might not be anything on them. >> mary schiavo, this is from david, and david says why don't pingers ping in unique code in morse instead of a common single ping? i would imagine then we would know for sure, you'd say, well, it's doing this in morse code, nothing else does that. that's a good question. >> that is a good question. it's a very good point. the pipgers that we have, they're like they are because of the federal regulation. the federal regulation only

requires certain things, that they ping for 30 days and be good down to 20,000 feet, but they could require unique codes and it would take a federal regularlation. good suggestion, good point. >> this one's for sylvia earl. would they recover human remains from this depth? >> oh, quite possibly. they certainly would be preserved in that cold, dark realm. but, and with the manipulators on the recovery equipment, it's possible to pick things up. and there's precedent for, for that in previous kinds of operations. but first job is finding where the aircraft really is. and that's a big challenge. >> brett larson. let's take a look at this tweet from bob larson.

bob says if airlines had to fully repay the cost of retrieving would they invest in technology to locate faster? >> oh, definitely. in a situation like this, a lot of technology that we've seen that could have prevented the problems we're seeing and this very expensive search, the most expensive in history, would definitely be something they would invest in. >> another tweet, this is about the cell phone. it says possible malaysian government only releasing cell phone info to convince the public their theory of foul play is accurate? >> if you want to go down the conspiracy theory routes that is definitely something to do. i find it very unbelievable that they took this long to bring information out. it's not like we had to get

meter maids to pull information off of a dot matrix printer. >> please stick around. when we come right back, reports that scammers are targeting the families of those who were aboard flight 370. i'm randy, and i quit smoking with chantix. as a police officer, i've helped many people in the last 23 years, but i needed help in quitting smoking. [ male announcer ] along with support, chantix varenicline

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i'm don lemon. breaking news tonight. searchers searching on an area for the mh 370. no one wants to know what happened more than the families of those on board the airliner. now another issue, scammers now targeting them. with me is floyd who represented the families of another tragedy. it's important that we keep

challenging the authorities and scammers. you're a leading attorney, and you have seen reports that scammers are tar getting the families of flight 370. what exactly is this scam? i saw one where attorneys are seeking families to come to a certain place this weekend. >> yes, that's one thing, but these scammers, apparently, may not even be lawyers, thank goodness. they apparently are targeting families, asking for administrative charges up front and they can get them a settlement with an airline. no experienced lawyer is going to ask for administrative charges up front. i never thought that we'd see lower than some of these attorneys who are trolling the hallways making false promises to people, but apparently we have. >> it is disgusting. what is your advice to those families? >> my advice is to do not do anything without seeking experienced aviation counsel's help. that's the thing to do.

they're going to be presented not only with these scammers, but the insurers at some point are going to be approaching them, asking them to sign releases in exchange for payments of compensation. they need to be very careful about that, about who they release and what the scope of it is. >> mary, to you, this is what you do. you are an attorney for families and victims in transportation accidents. is there something law enforcement can do to help pro effect these families? i don't know about the law the in malaysia. >> yes, there are laws in the unit, and they apply to all unit attorneys no matter where you happen to be. and they say, in a nutshell, that you can't solicit families for 45 days following a crash. and then there are also rules about how you can advertise. and you have to be very honest, et cetera. when you go to other parts of the world, in some places there simply aren't protective laws for people. china has a family assistance

act similar to ours. but i do understand that there is a chinese family group. and that the government is trying to encourage them to do what floyd said, and what i would say, to take your time. i once crunched the numbers and averaged what aviation cases take. the average aviation kpcase tak 3.5 years. so they should understand they have time and should take their time. they should handle their family affairs first. >> you have spoken to families forming a families association. what are you hearing from these families? >> they are forming associations, particularly the chinese. and the others as well. but there are a number of them, don, that still do not want to address this issue yet. they are still hopeful that some wreckage will be found, that some answers will be found, that perhaps even their loved ones

will be found alive. they're just not red eye in large part to address this issue yet. >> when these things happened internationally, does it make the entire process more difficult for families? >> of course it does, especially because you have a mix of all different types of countries. as mary pointed out, there were only three or four americans on board. so most of these legal issues won't be carried out in the united states. it will be carried out over there. >> we'll be back with final thoughts from my experts. in pursuit of all things awesome, amazing,

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my experts are back, and we have got some final thoughts for you. okay, experts, tonight marks the 102nd anniversary of the sinking of the titanic. it was a shocking event that gripped t gripped us. are there comparisons to be made between these two tragedies? >> yeah. i think it blew people's minds back then. i think this one has blown people's minds right now. it's a whole new paradigm. >> let's not give up. it took two years or more to finish that french aircraft. let's take the time and get it right. >> are there comparisons? it was 1912.

it's been 102 years. it wasn't a continuous search. but it did take them a long time, two or three different long explorations. >> not one but two parallels. one, the search took forever because they had no way to find it as we have now, black box, but our black boxes need to be streaming black boxes. and the second parallel was it took them even after that time to find out the true cause, which was a sub standard steel. >> i agree with mary on that. we thought our technology was the best it could be with the titanic, and it was unsinkable. and we often think our technology protects us and keeps us safe in places where it is not keeping us safe or protecting us. >> floyd? >> it doesn't seem like we've learned much since the titanic sanction. not much improvement since air france. >> we still can't fathom the unimaginable. and that's where we need to work. >> with the unimaginable. and we need to learn more. obviously we need to improve

black boxes and technology. we certainly need to learn more about the ocean and the deep, and especially the ocean floor. thank you guys for joining us. i really appreciate all your expertise, all my analysts and tough talk. the president of russia and the united states spar over ukraine as pro-russian demonstrations spread in the eastern part of the country. cut short. the underwater search for a missing airliner is forced to surface unexpectedly. why are you getting emotional now? >> i did not fire at reeva. >> questions about the tears. prosecutors in the murder trial of oscar pistorius prepare for another day of cross-examination. and seeing red. the first full lunar eclipse of 2014 is uponth