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U.S. Army Sgt. Christopher Mejia, survey team member, 21st Weapons of Mass Destruction-Civil Support Team (21st WMD-CST), New Jersey National Guard, employs detection equipment at a simulated crime scene during training with the Emergency Response Training Institute at Naval Weapons Station Earle, N.J., Nov. 17, 2021.

The 21st supports civil authorities at man-made or natural disasters by identifying chemical, biological, radiological, and nuclear substances, assess the consequences, and advises on response measures. (New Jersey National Guard photo by Mark C. Olsen). Original public domain image from Flickr

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U.S. Army Sgt. Christopher Mejia, survey team member, 21st Weapons of Mass Destruction-Civil Support Team (21st WMD-CST), New Jersey National Guard, employs detection equipment at a simulated crime scene during training with the Emergency Response Training Institute at Naval Weapons Station Earle, N.J., Nov. 17, 2021.

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