SSI Extended Range programs offer enthusiastic divers the training they need to experience the excitement of cave diving, extended bottom times and the adrenaline rush of exploring deep reefs and wrecks. Go deeper and further with extended range programs like Decompression Diving, Advanced Wreck Diving, Gas Blender, Rebreather Diving, and more. The Extended Range Specialties are top programs that provide you with the highest level of diving skills and knowledge. When you complete your training, you will be among the best of the best. At SSI, we offer the most comprehensive range of technical diving programs in the industry, including professional courses in technical diving. Go further, deeper and beyond your limits with SSI Extended Range.