Bit Physiologically News Today

me. im jose diaz-balart. thank you for the privilege of your time. andrea mitchell picks up with more news right now. >> and right now on "andrea mitchell reports," search crews and loved ones fearing the worse for the five people on board the small submersible with the coast guard discovering a debris field within the search area. ill speak to former u.s. commander in just a few moments. a district judge is about to unseal documents revealing just who paid the $500,000 bond to keep ...

Submarine, would you be going to 13,000 feet? >> no. these guys are going ten times deeper than we go. theres no real need on a military basis to go that deep. typically oil drilling, deep sea cable drilling and exploration here. >> what kind of training -- i know theres intensive military training, bit physiologically, what do you need to do to acclimate to those depths or is it so pressurized that, you know, that it does not matter? >> i think its closer to your second statement. theyre basica...