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A student administers the Horizontal Gaze Nystagmus test to Corey Harvey during the standardized field sobriety testing course at Joint Base Charleston – Air Base, Jan. 23-26. 628th Security Forces Squadron personnel participated in the four day course which is designed to train and certify law enforcement officials in the use of driving under the influence detection techniques and national standardized field sobriety tests. Harvey is a law enforcement officer with the 628th SFS. (U.S. Air Force photo/ Staff Sgt. Nicole Mickle)
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