Grant Dawson has been diving for more than thirty years. During 1980 and 1981 he was a support diver for NOAA NULS-1 (National Oceanic and Atmospheric Administration – National Undersea Laboratory System – 1) located in St. Croix, USVI. During this same period he was a research diver for the Smithsonian Institution. His diving experience includes the Great Lakes, Maine, California, North Carolina inland and coast diving, Mexico and a number of Caribbean Islands.