Imagine being strapped to a rocket sled accelerating faster than a speeding bullet to study the human body in action. This was the experiment of Colonel John Stapp in the late 1940s at Edwards Air Force Base, where he pushed the limits of human endurance to enhance pilot safety. The project faced technical problems when Captain Edward A Murphy Jr observed that costly sensors failed owing to wiring mistakes so a notion emerged that if anything can go wrong, it surely will. That idea evolved into

Colonel John Stapp, a U.S. Air Force officer, became a pioneer in human tolerance for acceleration and deceleration. In 1954, he conducted a series of groundbreaking experiments using a rocket sled at Holloman Air Force Base in New Mexico. During one of these experiments, Stapp reached a staggering speed of 1,017 km/h before being brought to a complete stop in just 1.4 seconds. This rapid deceleration subjected him to an incredible 46.2 G's, a force that would crush most people. Incredibly, Stap

Rocket Sled Riders In the mid-1940s, Air Force flight surgeon and physician Col John Stapp began studying the effects of high speed travel on the human body. Stapp and other test subjects rode in rocket-powered sleds which could reach 600 mph in six seconds, then slammed to a stop. One of Col Stapp’s volunteers, MSgt William Rhea, made fourteen sled runs and volunteered for repeated exposures to high g-force levels. Airman Second Class Alton Yates volunteered for sixty-five rides to show the hum

Ready to experience the G-forces astronauts face? Our G-Force Accelerator will put you to the test! G-Force simulates the intense pressure of space travel. Can you handle the challenge? Dare to defy gravity and create unforgettable memories at the U.S. Space & Rocket Center! | U.S. Space & Rocket Center