<p>The "spurs" were presented to Dr. Albert D. "Bud" Wheelon, the first Director of Science and Technology. They were mementos of his flight aboard the A-12 OXCART in 1964. Strapped over one's boot heels, each spur was attached to a ball. The ball was attached to a cable under the seat. The cable-ball rig allowed movement of feet during normal flight. However, if the pilot had to pull the "D" ring (ejection handle) in an emergency, the cables would snap the person’s feet back under the seat to insure a compact and safe ejection from the aircraft. 
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For more information on CIA history and this artifact please visit <a rel="nofollow" class="external text" href="http://www.cia.gov">www.cia.gov</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/ciagov/5416854082/">A-12 Spurs</a>