121112-N-ZZ999-008 BAHRAIN (Nov. 12, 2012) U.S. Sailors assigned to Naval Mobile Construction Battalion (NMCB) 133, lay sand grid to create a compactable surface above a simulated crater during an airfield damage repair exercise. NMCB 133 is deployed to the U.S. 5th Fleet area of responsibility to support engineering operations. (U.S. Navy photo by Construction Electrician 2nd Class Richard Rickert/Released)

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