120608-N-ZZ999-001 TAN TAN, Morocco (June 8, 2012) Seabees from Naval Mobile Construction Battalion (NMCB) 3, Det. Morocco, run up a sand dune during a physical training session. NMCB 3 is an expeditionary naval construction element assigned to U.S. 6th Fleet's commander, Task Force 68, to provide construction, engineering and security services that support national strategy, naval power projection, humanitarian assistance and contingency operations. (U.S. Navy photo by Construction Electrician 3rd Class Rebecca Wydeen/Released)