At its current production rates, China is likely to have a far more menacing submarine force than Russia in short order—though its quality is still uncertain.

Recently, the regular submarine forces of the Russian Baltic Fleet were increased by 100 percent. Instead of one, they now have two submarines.

Russia’s Khabarovsk submarine is broadly similar to an existing Borei-class submarine, but was built specifically to launch the advanced Poseidon nuclear torpedo. While there has been much wailing and ...

John Maynard Keynes once wrote, “The difficulty lies, not in the new ideas, but in escaping from the old ones”: an apt ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port. By Maria Varenikova ...