India has achieved a major strategic milestone with the successful test of its K-4 submarine-launched ballistic missile (SLBM ...

India has taken a significant step in strengthening its nuclear deterrence with the successful test launch of the K-4 submarine-launched ballistic missile (SLBM) on December 23, 2025. Multiple ...

SLBMs can be launched from underwater nearly anywhere in the world—and are incredibly difficult to intercept, making them ideal second-strike nuclear weapons. The submarine-launched ballistic missile ...

Although the K-4 missile still requires a few more test-firings before full operational induction, the successful launch from ...

SEOUL, Sept 18 (Reuters) - Analysts and security officials say they are watching for signs that North Korea may use an upcoming holiday to unveil new weapons or test fire a submarine-launched ...

India reportedly tested a nuclear-capable submarine-launched ballistic missile this week. The test launch, not officially ...