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

Russia launched a new nuclear-powered submarine named Khabarovsk at the shipbuilding complex in Severodvinsk, marking a significant advancement in its naval capabilities on November 1. The submarine ...

A new milestone for the Brazilian Navy’s submarine force was reached on 26 November 2025 with the christening of the fourth ...

On November 17, 2025, Navantia announced the floating of the S-82 Narciso Monturiol, the second submarine of the S-80 class.

India leases a Russian Akula-class nuclear submarine, K-391 Bratsk, to become INS Chakra III. Secure advanced underwater ...

An unarmed Trident II D5 Life Extension missile launches from an Ohio-class ballistic missile submarine off the coast of Florida during a planned test event from Sept. 17-21. (U.S. Navy) The U.S. Navy ...

The Trident II D5LE has an unclassified range of over 7,500 miles and can reach speeds of up to Mach 24. Last week, a Navy ballistic missile submarine tested the US military’s nuclear deterrence ...

South Korea's pursuit of nuclear-powered submarines is gaining traction following President Donald Trump's endorsement, ...

French authorities launched an investigation after several drones were seen over the Ile Longue nuclear submarine base in the Brittany region on ...

The KSS-III submarine has a crew of 50, displaces 3,358 tons surfaced and 3,705 tons submerged and measures 274 feet long with a 31.5-foot beam. South Korea Ministry of Defense photo South Korea ...

Russia has launched a new submarine able to carry Moscow's nuclear-capable Poseidon torpedoes, a new type of weapon touted as able to produce "radioactive tsunamis." The Khabarovsk, unveiled at a ...