Sailors training to serve as SEALs participate in Surf Passage at Naval Amphibious Base Coronado, Calif., Feb. 6, 2018. The surf course is one of many evolutions during the first phase of SEAL training. SEALs are the maritime component of U.S. Special Forces and conduct operations from the sea, air and land. (Navy photo by Petty Officer 1st Class Lynn F. Andrews)

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