A decade ago, a French nuclear attack submarine slipped through the layered defenses of a U.S. carrier strike group and ...

Add Yahoo as a preferred source to see more of our stories on Google. President Donald Trump speaks before a lunch with Ukraine's President Volodymyr Zelenskyy on October 17 [Alex Brandon/AP Photo] ...

Add Yahoo as a preferred source to see more of our stories on Google. Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack ...

The US Navy does not have the capacity to build the SSN(X) submarines at scale—but rather than acknowledging this, it has simply attempted to delay their completion dates.

The Ministry of Defence has unusually confirmed the movement of an armed Royal Navy hunter-killer submarine, posting imagery ...

It will take years to boost production rates to needed levels for attack submarines, such as Arkansas , shown here being built at Newport News Shipbuilding. (Janes/Michael Fabey) There is no near-term ...

Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack as a first, potentially signaling a new chapter in drone warfare.