An Elite Navy Diver is a member of the United States Navy's Sea, Air, and Land Teams, commonly known as the Navy SEALs. The acronym SEAL stands for Sea, Air, and Land, and these highly trained personnel are responsible for conducting special operations missions in hostile environments. They are trained to operate in all environments, including land, sea, and air, and are capable of carrying out a wide range of operations, from reconnaissance and direct action to counter-terrorism and hostage rescue.