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Photos by Laurie DeWitt/The Gazette
Ted Leenstra (left) and Dylan Hoffman, high school seniors at New Jersey's Sussex County Technical School, work on the Umptysquatch-4, a human-powered submarine they helped design and build. The school's team raced the sub in the International Submarine Races, part of the biennial contest at the Naval Surface Warfare Center, Carderock Division's David Taylor Model Basin.