Seas Doing Everything News Today

Up isnt easy, and we ought to know. were in the business of up. everyday delta flies a quarter of million people while investing billions improving everything from booking to baggage claim. were raising the bar on flying and tomorrow we will up it yet again.

Thats the bow of the "titanic" here. it broke in half. this is the stern of the "titanic." six football fields away. all of this is a debris field. this is the kind of thing when you look at an aircraft on the bottom, all of these things are everything from pieces of pottery and lights. >> all of this. >> all of these speckles and bigger pieces inside of here. >> so the "titanic" had a wide debris field. >> stern especially. the bow not so much. the "titanic" had a huge debris field associated w...

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Its only there to take sonar pictures. the next step is to send down other submersibles that can do more. gary tuchman got an upclose look at one vehicle that played a key role in finding pieces of space shuttle "challenger." heres what he saw. >> reporter: at first glance it reis semables a spacecraft more than anything else but this is a research sub that has combed the seas doing everything from medical research to ship and aircraft recovery. >> we have an array of light systems on the sub. s...