Group photo at the 15th International Submarine Races in the 3,200-foot David Taylor Model Basin at Naval Surface Warfare Center, Carderock Division in West Bethesda, Md., June 27, 2019. The biennial science, technology, engineering and math (STEM) event provides an avenue for high school and college teams to tackle the difficult challenges of submarine design, construction and operation. (U.S. Navy photo by Nicholas Brezzell/Released)
