Soviet Pravda -class submarine (early version)

The Pravda Class or P-class submarines were built for the Soviet Navy in the mid-1930s. They originally served as training ships(...)

”К-15” British K-class submarine late version

The K class submarines were a class of steam-propelled submarines of the Royal Navy designed in 1913. Intended as large, fast vessels with the endurance and speed to operate with the battle fleet.
In 1913, a design outline was prepared for a new class of submarine which could operate with the surface fleet(...)

The Soviet Union's Project 661 Anchar (NATO reporting name Papa class)

Soviet submarine K-162 was the world's fastest submarine. The first submarine constructed with a titanium hull, she was the only vessel of the Soviet Union's Project 661 Anchar (NATO reporting name Papa class) nuclear-powered attack submarine design. K-162 was renamed K-222 in 1978.(...)

Project 685 (Mike class)

The Project 685 was an advanced submarine developed to test advanced submarine technologies. The design was initially developed in the 1960s, but the first unit was not laid down at Severodvinsk until 22 April 1978. The submarine K-278(...)

Iskra (Spark) soviet Pravda-class submarine (late version)

The Pravda Class or P class submarines were built for the Soviet Navy in the mid-1930s. They originally served as training ships, then later served in World War II for mainly transport duties. They were intended to operate with the surface fleet but failed to meet specifications, particularly for surface speed(...)