IN THIS ISSUE: UTD: CHALLENGING BUT NOT IMPOSSIBLE, Discerning But Not Exclusive; 5mm WETSUITS, Answers to Divers’ Questions; SCKPP, The South China Cave Project; DEMA 2017, Join Us in Orlando - Booth 2539; UTD UNDER THE HOOD, The Series Continues; UTD TECHNIQUES, Your Backup Light; UTD LEADERSHIP, Become a UTD Instructor or DM 更多