Diving that wreck, makes one wonder who had been a part of that ship’s history; using a dry suit in cold water to extend one’s diving season or following the light beam eliminating all the nocturnal creatures a diver sees during a night dive, diving offers so many different specialized areas. In addition, SDI offers several non-diving courses that will expand an individual’s knowledge and skills while out of the water, such as the CPROX1stAED course.