160409-N-NO181-571 KOH KONG, Cambodia (Apr. 9, 2016) - Seabees assigned to Naval Mobile Construction Battalion (NMCB) 4 Detachment Koh Kong mix concrete for the septic tank block that will be part of a five-stall head facility project at Koh Kong Secondary School, Apr 9. (U.S. Navy photo by Construction Electrician 3rd Class D’Avante Santiago/Released)