Extended Range When you are ready, become an SSI Extended Range diver with some additional training and get certifi...

Extended Range Cavern Make your Mexican cenote diving dreams a reality; start your Cavern Diving course today!

Extended Range Foundations Dive into the exciting world of technical diving with Extended Range Foundations. Get started today!...

Extended Range Sidemount Divin... Extended Range Sidemount Diving is already common practice for many wreck and cave divers.

Extended Range Wreck Your Extended Range Wreck Diving certification will allow you to conduct wreck penetration dives up ...

XR Configuration Update Add training in either Side Mount or Back Mount.