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

Simple Solution to Protect Critical Infrastructure: Resilient Tunnel Plug

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    <video width="500" height="281" poster="https://www.dhs.gov/xlibrary/videos/18_0124_S&amp;T_HSARPA_Tunnel_Plug.png" preload="metadata" data-able-player="data-able-player" playsinline="playsinline" controls="controls" > <source type="video/mp4" original content_type="video/mp4" url="https://www.dhs.gov/xlibrary/videos/18_0124_S&amp;T_HSARPA_Tunnel_Plug.mp4" size="48502533" src="https://www.dhs.gov/xlibrary/videos/18_0124_S&amp;T_HSARPA_Tunnel_Plug.mp4" /> <track type="normal" kind="captions" close_caption_url="https://media.dhs.gov/sites/default/files/assets/videos/captions/18_0124_st_hsarpa_tunnel_plug.vtt" srclang="en" label="English" src="https://www.dhs.gov/medialibrary-assets/assets/videos/captions/18_0124_st_hsarpa_tunnel_plug.vtt" /> </video> <p style="font:sans-serif; font-size:11px; font-style: italic;"><a href="/medialibrary/assets/videos/22960">View in Media Library</a> </p>
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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)