2nd Lt. Raza Alyas, (left) 88th Aerospace Medicine bioenvironmental engineer, and Senior Airman Alex Shuttleworth (right) bioenvironmental engineer, check for cyanide using a M272 Chemical Warfare Agent testing kit, as part of a base exercise scenario revolving around a threat to the base’s critical water and infrastructure, at Wright-Patterson Air Force Base, Ohio, Feb. 2, 2017. The kit detects and identifies dangerous levels of common warfare agents in raw and treated water in about seven minutes. ( Air Force photo/Michelle Gigante)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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