Army Staff Sgt. Sergio Lopez, assigned to the Schinnen Provost Marshall Office at Army Garrison Benelux, follows a pen held by Army Sgt. Chase Sykes as Sykes performs a horizontal gaze nystagmus test during standard field sobriety test training on Chièvres Air Base, Belgium, Dec. 5, 2017. The Soldiers mastered performing field sobriety tests to receive law enforcement certification. ( Army photo by Visual Information Specialist Pierre-Etienne Courtejoie)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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