644th Combat Communications Squadron hosts biannual combat readiness exercise
U.S. Air Force Staff Sgt. Zachary Bieranowski, 644th Combat Communications Squadron power production technician, connects generators that power the unit’s equipment during exercise Dragon Forge June 12, 2017, at Andersen South, Guam. Day one of the training exercise started with the 644th CBCS team being tasked with setting up a forward operating base with concertina wire around the perimeter. (U.S. Air Force photo by Airman 1st Class Christopher Quail)

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Photo by: Airman 1st Class Christopher Quail |  VIRIN: 170612-F-NX530-1174.JPG