is another. the remote controlled vehicles armed with sonar and remote control arms may sift through silt and potentially through wreckage in pitch dark waters. it can be painstaking. it can be very difficult. the you know, sometimes the boxes have separated from the wreckage. sometimes the boxes have separated from their pingers. so this is going to be a long process. reporter: george howell, cnn, chicago. joining me to talk about the difficulties a deepwater operation to retrieve these boxes is cnn analyst david suse, specialist christine denison. and from boston, we re joined by our guest with a company that makes these pingers. thinking we re going to have any more days for pinger detection? the pingers are designed with
down, investigators must first map the terrain. a step that takes time and requires patience. if it s in rocky or cav very nous terrain, it could be challenging. once the wreckage is identified, these vehicles and the operators have extraordinary capability. locating them is one thing, but pulling the black boxes from the incredible depths is another. the remote controlled vehicles, armed with sonar, cameras, lighting and remote control arms may sift through silt and potentially through wreckage in pitch dark waters. it can be painstaking. it can be very difficult. sometimes the boxes have separated from the wreckage. sometimes the boxes have separated from their pingers. so this is going to being a long process. george howell, cnn, chicago. joining me now, less aben, a
requires patience. if it is in rocky or cavernous terrain, it it could be challenging. but once the wreckage is identified, the vehicles and operators have extraordinarily capabilities. reporter: locating them is one thing. but pulling the black boxes from the incredible depths is another. the remote-controlled vehicles armed with sonar, cameras, lighting, and remote control arms may sift through silt and potentially through wreckage in pitch dark waters. it can be painstaking. it can be very difficult. the you know, sometimes the boxes have separated from the wreckage. sometimes the boxes have separated from their pingers. so this is this is going to be a long process. reporter: george howell, cnn, chicago. this is a painstaking and difficult search. we hear that from everyone. let s bring in our own samantha
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