Military Diver Interview - Pulmonary Edema, DCI, Hyperbaric Treatment, Helmet diving & more Thankful to interview Navy Diver "Richard" (alias) on the channel speaking about what his diving role is like. It's a thick slice of diving life and covers diving tasks, pulmonary edema, decompression Illness, hyperbaric treatment, helmet diving, and more. We thank Richard for sharing his knowledge and experience and also for his service.