160824-N-SH670-075 DOUALA, Cameroon (Aug. 24, 2016) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 11, Detachment Cameroon, sift sand for the production of mortar, to lay block walls for multipurpose building in Cameroon Africa Aug. 24, 2016. NMCB 11 is deployed throughout Europe Command, Africa Command, Pacific Command and Central Command; promoting security and stability by conducting general engineering, disaster relief, construction readiness operations and human civic action support. (U.S. Navy photo by Builder 3rd Class Elizabeth Poplin)