U.S. Air Force Staff Sgt. Devin Pope, 509th Security Forces Squadron (SFS) training instructor, left, demonstrates the Horizontal Gaze Nystagmus (HGN) test with Airman 1st Class John Cabral, 509th SFS member, at Whiteman Air Force Base, Mo., Sept. 30, 2016. As part of Standard Field Sobriety Test used by SFS when a driver is suspected of driving under the influence of alcohol or drugs, patrolmen carry out HGN tests during which they check a driver’s eyes for indications of impairment. (U.S. Air Force photo by 1st Lt. Matthew Van Wagenen)
<dl><dd>Unit: 509th Bomb Wing Public Affairs Whiteman Air Force Base</dd>
<dd>DVIDS Tags: B-2; Deterrence; SFS; Security Forces; 509th Bomb Wing</dd></dl>
2nd Lt. Matthew Van Wagenen
Taken on 30 September 2016
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