Pennsylvania Air National Guardsman, Chief Master Sgt. Charles Stoyer, assigned to the 171st Air Refueling Wing Civil Engineer Squadron, uses a power screed, April 16, 2021. Screeding helps compact and consolidate the concrete and begins the smoothing and leveling process. (Pennsylvania A

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Size: 1935px × 1292px
Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, ce, guard, msg, pittsburgh