Naval museum complex Balaklava

Naval museum complex Balaklava (Ukrainian: Морський музейний комплекс "Балаклава", Russian: Музей холодной войны, "The Cold War Museum", designation K-825) is an underground submarine base beneath Mount Tavros in Balaklava, Crimea (originally known as Object 825 GTS).

Equipment loading in peacetime was carried out on the pier, then conducted while watching out for the movements of spy satellites of possible military adversaries.

[3] The complex also includes a repair and technical base, code-named Object 280, designed for storing and maintaining a nuclear arsenal.

The Soviet Navy trained dolphins at this facility to attach underwater beacons and explosives to submarines and ships.

Additionally, the site is close to Sevastopol, a major naval base still used by the Russian Navy's Black Sea Fleet today.

The museum would have themed exhibition halls, which were former repair shops and arsenals, a submarine standing by the underground pier, a tourist center, a cinema room with a chronicle of the time of active military confrontation between the two superpowers, and finally, an underground memorial dedicated to submariners who died at sea.

The facility was placed under the jurisdiction of Russia and the southern area of the Military History Museum of fortification structures of the Russian Federation in 2014, after the annexation of Crimea.

[citation needed] On 4 December 2024, Story Television aired an episode called "Cities of the Underworld: Secret Soviet Bases" on their show World Events on Wednesday.