Air Force Tech. Sgt. Kristopher Beckwith, 768th Expeditionary Air Base Squadron bioenvironmental engineer, selects random water bottles to test water quality that comes from off base sources at Nigerien Air Base 101, Niamey, Niger, Feb. 16, 2021. Bioenvironmental conducts occupational and environmental health site assessments to ensure deployed members have optimal work and living conditions.

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