Master Sgt. Veronica Castillo-Jones, a dental hygienist, with the 48th Medical Group, from Royal Air Force Lakenheath, England, uses a syringe to rinse a patient’s mouth during Resolute Sentinel 21 in Melchor De Mencos, Guatemala, June 11, 2021. Resolute Sentinel is an exercise designed to prepare military medical professionals to deploy and conduct joint operations under austere conditions.

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Photo credit: © Operation 2021 / Alamy / Afripics
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Keywords: 21, afsouth, assistance, guatemala, humanitarian, resolute, rs-21, sentinel, southcom