Marines from Marine Wing Support Squadron 171 take chemical samples during Hazardous Waste Operations and Emergency Response training at Marine Corps Air Station Iwakuni, Japan, Dec. 18, 2015. The Marines attended a 40-hour course that taught them how to respond in the case of an emergency and how to operate safely around hazardous materials, waste, substances, and fuels. The Marines conducted classes indoors for three days before exercising practical application for the remainder of the course. (U.S. Marine Corps photo by Lance Cpl. Aaron Henson/Released)
<br>Unit: Marine Corps Air Station Iwakuni
Lance Cpl. Aaron Henson
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