The Cold War
Some even believe that we know more about space than we do about what exists beneath the earth’s surface. We’re sure you’ve heard about the space race between the United States and the Soviet Union during the Cold War. However, few people are aware of the quest to conquer the underground.
Race To The Depths
Beginning in the late 1950s, American and Soviet scientists began to plan experiments aimed at penetrating the earth’s surface. This is the area of the Earth that stretches up to thirty miles to the planet’s center.