170320-N-MG004-001 DOUALA, Cameroon (March 20, 2017) Constructionmen Madeline Henry, left, and Jesse Martinez, both assigned to Naval Mobile Construction Battalion (NMCB) 1, prepare to install a concrete column for the multipurpose building project in Douala, Cameroon. NMCB-1 is forward-deployed to execute construction, humanitarian and foreign assistance, special operations combat service support, and theater security cooperation in support of U.S. Africa Command. (U.S. Navy photo by Construction Electrician 3rd Class Tyler Benvie/Released)