IN THIS ISSUE – WHY UTD - An Open Letter to All Instructors and Divemasters; EXTREME SCUBA MAKEOVER - With UTD Instructor Iñaki de Santos; FITNESS FOR DIVING - Aerobic Exercise for Divers; FIRST AID/CPR/AED/O2 - UTD’s newest course; DIVE ZONE RADIO - Andrew Georgitsis on the History and Future of UTD; FRACKING - Los Angeles Bans Fracking; UTD TECHNIQUES - Diving at Night 更多
