Project Mohole
In 1958, America leaped forward in the race to reach the Earth’s crust thanks to “Project Mohole” in Mexico. This project allowed engineers to drill through the bed of the pacific ocean of around 600 feet. It started out as a highly ambitious undertaking, but eight years later a funding cut meant the project was abandoned, and it seemed like the Americans were out of the global race to reach the mantle.
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.