171209-N-HW735-1310 CORONADO, Calif. (Dec. 9, 2017) A Sailor assigned to Beachmaster Unit One (BMU-1) signals a Improved Navy Lighterage System to advance to shore during a quarterly joint reserve and active duty component beach exercise at Naval Amphibious Base Coronado. BMU-1 deploys and supports combat ready Beach Party Teams in support of amphibious operations around the world. (U.S. Navy photo by Yeoman 1st Class Anthony Ardisone/Released)