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Ejector seats are often tested on rocket sleds to verify their performance at high speeds. Credit: public domain. Another critical component in an ejection seat is the personal survival pack, ...
On Dec. 10, 1954, John Stapp, a U.S. Air Force flight surgeon and researcher, hopped into an experimental decelerator sled. It would be his last ride in the sled, testing the limits of ...
The Defense Department uses sleds as test vehicles to test hypersonic components, missiles and ejection seats. The sleds are accelerated by solid rocket motors on iron tracks, simulating portions ...
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