Missing Titanic tour sub: Former Navy sub captain on rescue options
ABC News (NEW YORK) -- Rescuers racing against the clock to save the five people trapped in a tourist submersible nearly two miles deep in the Atlantic Ocean are facing major obstacles that could make saving the people onboard extremely difficult, according to a former Navy submarine commander. Retired Capt. David Marquet told ABC News on Monday that this type of rescue operation is complicated because there aren't nearby U.S. […]