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  6. Simple Solution to Protect Critical Infrastructure: Resilient Tunnel Plug

Simple Solution to Protect Critical Infrastructure: Resilient Tunnel Plug

The Department of Homeland Security Science and Technology Directorate (S&T) has a solution in the form of a giant inflatable plug that will seal off subway tunnels and stop water from flowing throughout the subway system into stations and other subway lines (DHS Video by Science & Technology Directorate/Released) Date: Mar 05, 2021