Three employees of the U.S. Army Engineering and Support Center, Huntsville, participate in a navigation exercise Oct. 24, 2017, with goggles that simulate alcohol and/or drug intoxication. From left are: Kristal Huinker, project management specialist with the Medical Repair and Renewal Program; Christopher Barnett, lead contract specialist with Information Technology Systems; and Shannon Robbins, international administrative assistant with Ordnance and Explosives.