soviet union

In the midst of the Cold War, as the space race captured global attention, the Soviet Union embarked on an equally ambitious project beneath the Earth’s surface. The Kola Superdeep Borehole project, initiated in 1970, aimed to penetrate deeper into the Earth’s crust than any previous human endeavor.

During the height of the Cold War in the 1970s, the Soviet Union launched one of the most ambitious scientific drilling projects in history - the Kola Superdeep Borehole. The goal was to drill as deep as possible into the Earth’s crust, penetrating the mysterious boundary between the crust and mantle known as the Mohorovičić discontinuity, or “Moho.