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

Submarines are among the most sophisticated vehicles that humanity has ever developed. Their capability to navigate both the ocean surface and deep waters, their capacity to operate silently, and ...

Unlike large vessels traveling on the ocean's surface or most other vehicles on the planet, military submarines do not have windows. A submarine's commander can't tell their helmsman to hang a right ...

Because of the specialized nature of submarines, a distinct military strategy called anti-submarine warfare, or ASW, was created to counter them. Its primary objective is to defend ships and allied ...