Russia begins sea trials of Khabarovsk submarine designed to carry nuclear Poseidon torpedoes

The Russian Navy has begun sea trials of the submarine Khabarovsk, designed to carry Russia's new Poseidon nuclear torpedoes, according to the Ukrainian defence portal Defence Express. Poseidon is a strategic weapon capable of carrying a nuclear warhead. The start of sea trials marks a further step in the expansion of Russia's nuclear arsenal.