170626-N-XI735-036 BETHESDA, Md. (June 26, 2017) Naval Surface Warfare Center, Carderock Division hosts the 14th International Human-Powered Submarine Races (ISR) in the David Taylor Model Basin in West Bethesda, Md., June 26-30, 2017, featuring 21 teams from universities and high schools. ISR, sponsored by the Foundation for Underwater Research and Education, is the capstone science, technology, engineering and mathematics outreach event at Carderock and has hosted thousands of young men and women from around the world to design, build and race human-propelled submarines on the basin's underwater course. (U.S. Navy photo by Devin Pisner/Released)