Behind the scenes, bioenvironmental techs keep Andersen safe

Airman 1st Class An Ngo, 36th Medical Operations Squadron Bioenvironmental Engineering technician, uses a water sample test kit at Andersen Air Force Base, Guam, Oct. 19, 2017. The Bioenvironmental Engineering Flight is responsible for testing Andersen’s water supply, heat index and air quality year round. (U.S. Air Force photo/Airman 1st Class Gerald R. Willis)

PHOTO BY: Airman 1st Class Gerald R. Willis
VIRIN: 171019-F-FF346-1355.JPG
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