Airman 1st Class Marcus Perez, 35th Civil Engineer Squadron heating, ventilation, and air conditioning (HVAC) technician, from Misawa Air Base, Japan, looks through a refractometer at Kunsan Air Base, Republic of Korea, Sept. 12, 2022. A refractometer is used as a field device for the measurement of dissolvable substances in water.

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Size: 6048px × 4024px
Photo credit: © Operation 2022 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: #8fw, #battleready, #ces, #civilengineer, #hvac, #kunsanab, #wolfpack