Robert H Stavn, University of North Carolina Greensboro, Greensboro, NC, United States; Stennis Space Center, Visiting Scientist, Code 7330, Oceanography Division, Naval Research Laboratory, Stennis, MS, United States, Alexander U Falster, Maine Mineral and Gem Museum, Bethel, ME, United States, Nicole Stockley, Florida Atlantic University, Harbor Branch Oceanographic Institute, Fort Pierce, FL, United States, Deric Gray, US Naval Research Laboratory, Washington, DC, United States and Richard W Gould Jr, US Naval Research Laboratory, Stennis Space Center, MS, United States