Staff Sgt. Daniel Fink, a 436th Civil Engineer Squadron Pest Management supervisor, places aerosol fog canisters of Callington 1-Shot inside of a C-17 Globemaster III to treat for mosquitos that are potentially carrying the Zika virus May 11, 2016, at Dover Air Force Base, Del. Once the aerosol cans are fully dispensed, the aircraft is sealed for 15-20 minutes so the treatment can take effect. (U.S. Air Force photo/Senior Airman William Johnson)
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