Staff Sgt. Mark Hill, 39th Civil Engineer Squadron emergency management, uses a First Defender RMX Handheld Chemical Identification Analyzer to assess a liquid found in a mock lab during a training session, May 14, 2015, at Incirlik Air Base, Turkey. Hill is investigating a suspicious substance in a simulated lab. (U.S. Air Force photo by Senior Airman Krystal Ardrey/Released)
<br>Unit: 39th Air Base Wing
Senior Airman Krystal Ardrey
Taken on 14 May 2015
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