CATARINA, Guatemala – Army Reserve Sgt. Anna Ma, 284th Engineer Company vertical engineer, spreads mortar on a layer of cinderblock April 30, 2016 during Exercise BEYOND THE HORIZON 2016 GUATEMALA. The mortar creates a strong bond between layers of cinder block and ensures structure stability. ( Air Force photo by Senior Airman Dillon Davis/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

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