200521-M-JX780-1240 CAMP PENDLETON, Calif. (May 21, 2020) U.S. Marines with Alpha Company, Battalion Landing Team 1/4, 15th Marine Expeditionary Unit, steer their combat rubber raiding craft for surf passage training during a coxswain�s course in Coronado, California, May 21, 2020. Coxswain�s course teaches Marines how to safely, and expediently, move small watercraft through shallow waters, onto beaches and back into the ocean. (U.S. Marine Corps photo by Lance Cpl. Brendan Mullin/Released)