341st OMRS, 819th RED HORSE conduct final swipe on density gauge
Airmen from the 341st Operational Medical Readiness Squadron bioenvironmental engineering shop conduct radiation testing operations with the 819th RED HORSE on density gauges, before being shipped out April 6, 2021, at Malmstrom Air Force Base, Mont. The gauges determine what areas require more or less foundation during construction of buildings. (U.S. Air Force photo by Senior Airman Tristan Truesdell)

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Photo by: Senior Airman Tristan Truesdell |  VIRIN: 210406-F-BG120-0041.JPG