Russia’s new submarine mothership sets sail

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The submarine mothership is a converted Project 667BDRM-class (Delta IV) nuclear-powered ballistic missile submarine. (Zvezdochka Ship Repair Centre)

 

The Russian Navy’s new submarine mothership Podmoskovye (Delta IV Stretch) set sail for the first time on sea trials on 22 October after a lengthy conversion.

Podmoskovye was originally the Project 667BDRM-class (Delta IV) nuclear-powered ballistic missile submarine (SSBN) K-64, launched in 1986. It has now been converted to act as a mothership for the smaller special purpose Project 10831-class (‘Losharik’) and Project 1851-class (Paltus) submarines for underwater research and intelligence gathering activities.

Conversion of the submarine began in 1999 at the Zvezdochka Ship Repair Centre under Project 09787. This work included the removal of the submarine’s mid-section (containing the prominent missile launch tubes) and its replacement with the mid-section from a previous Russian submarine mothership, the Project 09774 (Yankee Stretch) boat K-411. This work is believed to have increased the length of the boat by 9 m to 175 m.

The Zvezdochka Ship Repair Centre stated on 24 October that repair and modernisation work on the submarine was now complete. The submarine is currently conducting factory sea trials to confirm the design characteristics of the submarine, the shipyard added.

Full article: Russia’s new submarine mothership sets sail (IHS Jane’s 360)

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