Vlad Litnarovych

As the US Navy advances its Columbia-class submarines and Britain fields the Dreadnought program, Russia has confirmed it is developing a fifth-generation nuclear ballistic missile submarine—setting the stage for a new chapter in undersea strategic competition.

A new European loitering munition with new extreme armor-penetration capability has passed its first live-fire test in Germany—just as Ukraine is already using the system in combat and NATO accelerates plans to mass-produce thousands of such drones.