The Delta-class IV submarines have quite a few unique distinctions under their belts. For better or for worse, none of them are due to success in combat or even events... Here’s What You Need to ...

Russia's Delta-IV class nuclear ballistic missile submarine Tula now looks to be sporting an armor screen, commonly known as a "cope cage," on top of its conning tower to help protect against drones.

The Russian Navy's ballistic missile submarine fleet includes four Borei I class SSBNs (with Knyaz Vladimir, the lead Borei II class vessel, set to enter service this year), six Delta IV class ...