An East-Coast based U.S. Navy SEAL (Sea, Air, and Land) climbs a caving ladder during visit, board, search and seizure (VBSS) training on Joint Expeditionary Base Little Creek-Fort Story, July 16. Navy SEALs are the maritime component of U.S. Special Forces and are trained to conduct missions from sea, air, and land. (U.S. Navy Photograph by Mass Communication Specialist 2nd Class William S. Parker/Released)