India successfully conducted a test of a Submarine-Launched Ballistic Missile (SLBM), likely the K-4 variant, on December 23, 2025. The missile was launched from an Indian SSBN in the Bay of Bengal and is expected to strengthen India’s nuclear triad capabilities. With an estimated range of around 3,500 km, the K-4 enhances India’s strategic deterrence and second-strike capability. The test underscores India’s ongoing focus on modernizing its nuclear forces and securing credible deterrence across

While the world slept, India quietly reinforced its strategic posture. In a significant development, India successfully conducted a submarine-launched ballistic missile test in the Bay of Bengal late at night, showcasing the operational readiness of its sea-based nuclear deterrent. Though official confirmation is awaited, defence sources suggest the missile tested was most likely the nuclear-capable K-4, a key component of India’s second-strike capability. The timing and precision of the launch