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Patrick McGrail, a technician in the Towing Basin Operations (Mechanical) Branch of Naval Surface Warfare Center, Carderock Division, constructs a submarine part out of recycled metal material for the University of Waterloo’s one-person propeller submarine, Claire, on June 26.
190627-N-SL291-210.JPG Photo By: Edvin Hernandez

Bethesda, MD - Patrick McGrail, a technician in the Towing Basin Operations (Mechanical) Branch of Naval Surface Warfare Center, Carderock Division, constructs a submarine part out of recycled metal material for the University of Waterloo’s one-person propeller submarine, Claire, on June 26. Carderock is hosting the 15th International Human-Powered Submarine Races in its 3,200-foot David Taylor Model Basin in West Bethesda, Md. This biennial science, technology, engineering and math (STEM) event, sponsored by the Foundation for Underwater Research and Education, provides an avenue for high school and college teams to tackle the difficult challenges of submarine design, construction and operation.


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