Dr. Panagiotis Matsangas, researcher with the Coast Guard Research and Development Center, gives a presentation on the U.S. Coast Guard Cutter Healy (WAGB 20), in the Arctic Ocean, on Sept. 6, 2023. Matsangas spoke about the effects of motion on the human body as they relate to ship’s crews. (U.S. Air Force photo by Airman 1st Class Norman D. Enriquez)