Operation Ivy Bells was an American secret mission launched by the US Navy, the NSA, and the CIA, whose objective was to place wiretaps on Soviet underwater communications lines to collect as much ...

We uncover the story of Object 825 - a hidden Soviet submarine base carved into the mountain above Balaclava, designed to survive nuclear attack and let submarines slip in and out underwater. After ...

Add Yahoo as a preferred source to see more of our stories on Google. The United States Department of Defense (DoD) has announced that China plans to expand its submarine forces significantly by 2035.

GROTON, Conn. (AP) — A once-secret submarine in U.S. military research and expeditions is being celebrated for its advanced technology, exploration of the ocean floor and role as a workhorse. The ...