DOUALA, Cameroon (Nov 19, 2016) Petty Officer 3rd Class Stephen Kelly secures the roof decking to metal trusses with a drill. 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 operation, and civic action support. (U.S. Navy Photo by Petty Officer Third 3rd Elizabeth Poplin/Released)