Okinawa, Japan (Sept. 1, 2022) Seabees with Naval Mobile Construction Battalion (NMCB) 4, Train with Marine's from 2nd Battalion 1st Marines on how to maneuver the E-Course in Okinawa Japan. NMCB-4 is forward deployed throughout the Indo-Pacific region and United States territories to support and maintain a free and open Indo-Pacific. As the stand in, crisis response, naval engineering force, NMCB-4 maintains a ready posture to deliver in-theater expeditionary logistics via expeditionary shore infrastructure, forward damage repair, and mobile construction. (U.S Navy photo by Utilitesman 3rd Class Nettie Manfull)