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 ...

L. David Marquet is a former United States Navy Captain and author who served in the submarine force for nearly three decades. Graduating top of class from the United States Naval Academy in 1981 ...

The international effort to find and rescue a missing Titanic tourist submersible continued Tuesday. The U.S. Navy is also sending crews and special lifting equipment to help if the missing craft can ...

In the high-stakes world of nuclear submarines, clarity can be a matter of life and death. Retired U.S. Navy Captain David Marquet knows this firsthand. He transformed the USS Santa Fe from the ...