Add Yahoo as a preferred source to see more of our stories on Google. L. David Marquet is a former United States Navy Captain and author who served in the submarine force for nearly three decades.

Spotter planes can no longer directly see enemy submarines. Today, their mission is overwhelmingly acoustic—listening to ...

The mystique of nuclear-powered submarines has been captured by at least half a dozen popular Hollywood films. Some have centered on the drama of undersea warfare and the risk of global nuclear ...