On the Threshold of Space

The men behind America's first venture into space are honored in this drama that paid special emphasis on historical accuracy and obtained much input and assistance from the US Air Force. The story centers on an Air Force doctor who performs many detailed test to discover how the human body will respond to the rigors of space travel including its reactions to being ejected in a space capsule from 45,000 feet, to traveling 1,000 miles per hour in a rocket sled, and ascending to 100,000 feet in a balloon. His devoted wife supports him all the way even though he sometimes insists on using himself as a guinea pig.