Airmen test water samples in Cataño, Puerto Rico, during Innovative Readiness Training Ola de Esperanza Sanadora, on Sept. 1, 2018. The purpose of the IRT is to provide medical, dental and optometry care to assist local municipal authorities in addressing underserved community health and civic needs while performing joint military humanitarian operations. ( Air National Guard photo by Staff Sgt. Bethany Rizor)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: air, airguardirt, ang, guard, humanitarian, irt, joint, medical, national, navy, puerto, reserve, rico