171024-N-FT956-0566 DIEGO GARCIA (Oct. 24, 2017) Builder 3rd Class Michael Johnson, left, observes Steelworker 3rd Class Alisha Silva, both assigned to Naval Mobile Construction Battalion (NMCB) 4, as she cuts material from a demolished building to stack on pallets to remove from a project site. NMCB-4 is forward deployed to the U.S. 7th Fleet area of operations in support of humanitarian assistance, disaster relief operations and to provide general engineering and civil support to the U.S. Navy and allied forces. (U.S. Navy photo by Builder 2nd Class Christopher Moore/Released)