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Russia launches Khabarovsk nuclear submarine equipped with Poseidon doomsday drone capable of wiping out coastal nations
Global Desk | November 3, 2025 6:20 PM CST

Synopsis

Russia has launched the nuclear-powered submarine Khabarovsk, a significant naval advancement. This vessel is designed to carry the Poseidon nuclear drone, capable of devastating coastal attacks. The submarine boasts advanced underwater weapons and robotic systems, enhancing Russia's strategic defense capabilities and maritime presence. Extensive sea trials are planned before its full commissioning.

Russia launches Khabarovsk at Sevmash shipyard in Severodvinsk. Pic Credit: X/@HEMemarian
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 was launched at JSC Production Association Sevmash, the country's leading shipbuilding enterprise specializing in nuclear vessels. This launch underscores Russia's intent to bolster its presence and strategic defense capabilities across the oceans and is intended to carry the Status-6/Poseidon UUV nuclear-powered underwater drone, often referred to as 'doomsday missile' due to its devastating potential.

The Russian Ministry of Defense announced that the Khabarovsk submarine is equipped with advanced underwater weapons and robotic systems, enhancing its operational efficacy in protecting Russia's national interests at sea. Defense Minister Andrei Belousov commended the work of all personnel involved and noted that the vessel is slated to undergo extensive sea trials before full commissioning.


Understanding Poseidon underwater weapon systems

One of the standout features of the Khabarovsk submarine is its capacity to carry the Poseidon underwater drone, an autonomous nuclear-powered torpedo designed for strategic weapon deployment. The Poseidon drone claims to possess capabilities that could ‘wipe out’ entire coastal nations by triggering massive radioactive tsunamis and long-lasting contamination.

  • Poseidon Specifications: The Poseidon is an unmanned underwater vehicle (UUV) capable of traveling thousands of kilometers underwater at high speeds. It is powered by a small nuclear reactor, enabling extended range and endurance.
  • Warhead Capacity: It reportedly carries a nuclear warhead with a yield estimated up to 2 megatons, which is significantly more powerful than conventional strategic nuclear weapons.
  • Strategic Role: Poseidon is designed for stealth attack against coastal targets and naval bases, reportedly capable of creating nuclear-tsunami waves to damage ports and large coastal cities, presenting a unique strategic deterrence in naval warfare.
  • Operational Challenges: The complexity of underwater navigation, communication, and command-control systems for Poseidon requires ongoing technological refinement. Its use raises significant geopolitical and security concerns due to the potential for uncontrollable nuclear escalation.
The Khabarovsk submarine, being the carrier for such advanced underwater weapon systems, represents a leap in strategic maritime deterrence for Russia. It complements Russia's broader naval modernization program that includes advancements in stealth, weapons automation, and robotics.

The deployment of Poseidon-equipped submarines adds a layer of strategic complexity to naval power balance, especially amid continuing tensions with NATO and other maritime powers.

Sevmash, the launch site, has historic significance as the birthplace of Soviet and Russian nuclear submarines, underpinning the technical expertise backing this program.

FAQs

Q: What makes the Khabarovsk (Project 09851) submarine unique?
A: It is one of the first platforms capable of deploying Poseidon nuclear-armed underwater drones, equipped with cutting-edge robotic and underwater weapon systems, advancing Russia's strategic naval power.

Q: How does Poseidon differ from traditional torpedoes?
A: Poseidon is nuclear-powered, unmanned, and has a greater range with nuclear warhead capability, allowing it to carry out long-range stealth nuclear strikes beyond conventional torpedo range.

Q: What are the next steps after Khabarovsk's launch?
A: The submarine will undergo sea trials to test its systems, after which it will be commissioned into active service based on performance outcomes.




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