science. these images are from a documentary by the jackson ks historical society credited to the u.s. air force and these are real time issues of him in the late 1950s in the air force and show some of what he went through as part of his service. his name was alton yates. he is 23 years old in these pictures, airman second class in the u.s. air force. what you see him doing here is participating in important testing that was conducted for the u.s. space program. they were using airmen and the u.s. air force for tests that were designed to see whether the human body could really with stand what were expected to be the rigors of space travel. the vast stresses of acceleration and rapid deceleration and pressure changes and everything else. alton yates was not the only airman who went through this but he was one of them and he participated in a huge number, in 65 of those tests of the human body in the extremes.