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Lt. Col. Lance Annicelli, right, and Dr. Ulf Balldin, left, fit James Kisner with a prototype muscle stimulation suit on May 25 to perform a centrifuge test as part of an acceleration protection research project they are conducting at Brooks City-Base, Texas. The three men designed a garment which will be worn by pilots that will automatically sense and contract lower body muscles during and throughout excessive G-forces during flight. (U.S. Air Force photo by Durrell Bess)
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