Futlyar
Futlyar (Fizik-2) is a Russian deep-water homing torpedo tested by the Russian Navy in 2017; it entered service in the same year. Developed by the Saint Petersburg Research Institute of Marine Engineering and produced by the Dagdizel Machine-Building Factory, it will replace the UGST ("Fizik-1".) "Futlyar" is a wire-guided, combustion-driven torpedo with a top speed over and a maximum depth capability of more than . It would be able to hit targets at a range of over . It will first equip the new "Borey" and "Yasen" classes of nuclear submarines.