Silent Scuba CCR CAVE Training in Everett, Washington offers full cave diver certification training to CCR certified divers with at least 20 dives and 30 hours on the rebreather. Cave diving requires divers to have great skills, buoyancy and survival instincts and the Silent Scuba CCR CAVE Training prepares the diver for the extremes of the cave environment with safety and awareness foremost. This course is one of the most extensive a diver can take, is technical and requires the diver to be a thinking diver, it's not for everyone and the equipment is also different from recreational diving, so get advice from your instructors first.