171017-N-NO181-030 BUSAN, Republic of Korea (Oct. 17, 2017) - Builder 3rd Class Hanlin (left) and Construction Electrician 3rd Class Ridge (right), assigned Naval Mobile Construction Battalion (NMCB) 4 and two Republic of Korea (ROK) Navy engineers work together to place new paver bricks. The ROK engineers and Seabees are removing the damaged bricks, placing a level sand bed to properly replace the new bricks and fill in the gaps with sand to provide a stronger foundation. (U.S. Navy photo by Steelworker 1st Class Ray Crumity/Released)