Air Force Photos

Senior Airman Jonathan Jensen uses a concrete hummer vibrator to disperse the concrete against the wall of a K-Span building Aug. 29, 2013, at Nellis Air Force Base, Nev. Training projects help with base construction efforts while honing wartime responsibilities and proficiencies for 555th RED HORSE Squadron members. Jensen is a structures journeyman assigned to the 555th RHS. (U.S. Air Force photo/Senior Airman Daniel Hughes)

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Photo by: Senior Airman Daniel Hughes |  VIRIN: 130829-F-AQ406-931.JPG