Russia Takes The Gap
The Soviets were next to try to reach the mantle, and in May of 1970, a team of scientists started a project attempting to do the same as its American counterpart, albeit with hopes of achieving better results. Drilling in the Pechengsky District began right away, and rather than just reaching the mantle, the project hoped to penetrate as far as possible down towards the crust of the earth, in order to learn more about it.

Russia Takes The Gap
