Petty Officer 3rd Class Henry O'Hair, steelworker, and Seaman Anthony Thompson, steelworker, both assigned to Amphibious Construction Battalion 1 based in San Diego, lower a reinforcing steel cage into a ground form before filling the area with cement. The structure will serve as the base for a water tank at the Vunamami Farmer's Training Center. ACB-1 is in Papua New Guinea participating in Pacific Partnership 2010, the fifth in a series of annual U.S. Pacific Fleet humanitarian and civic assistance endeavors aimed at strengthening regional partnerships.