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The acronym SEAL in the United States Navy SEALs stands for Sea, Air, and Land. It is derived from the teams' ability to operate on the seas, in the air, and on land.
SEALs are US Special Operations Commandâs force-of-choice among Navy, Army and Air Force Special Operations Forces (SOF) to conduct small-unit maritime military operations which originate from, and return to a river, ocean, swamp, delta or coastline.