180308-M-BC104-014 CORONADO, Calif. (March 8, 2018) U.S. Marines and Sailors with the Basic Reconnaissance Course 2-18 execute surf passage training aboard Naval Amphibious Base Coronado, Calif. Surf passage training is required in the final phase of the course and in order to earn the RECON title. (U.S. Marine Corps photo by Cpl. Rachel Mendieta/Released)