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Tech. Sgt. David Turner, 66th Security Forces Squadron noncommissioned officer in charge of training, connects StressVest equipment sensors on Staff Sgt. Jason Penny, 66 SFS unit training scheduler, at Hanscom Air Force Base, Mass., Dec. 22. StressVest kits send immediate feedback to wearers via either a light shock or vibration to simulate real-time engagement during training exercises. (U.S. Air Force photo by Lauren Russell)
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