Petty Officer 1st Class Chris Hall (left) Diver, and Coast Guard Rear Admiral John Nadeau at the bottom of the pool demonstrating the capabilities of surface supplied diving gear at Naval Diving and Salvage Training Center in Panama City, Fla., July 9, 2015. Nadeau visited the NDSTC and performed a familiarization dive with Coast Guard Divers in the Aquatic Training Facility. (U.S. Coast Guard photo by DV1 Michael Garst)