Department of Homeland Security, ILC Create Life-Saving Balloon

ILC Dover is making an inflatable tunnel plug, called the Resilient Tunnel Plug (RTP), that could potentially save lives.

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The Resilient Tunnel Plug is the new creation designed through the partnership of the Department of Homeland Security Science and Technology Directorate and ILC Dover.
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The Department of Homeland Security (DHS) Science and Technology Directorate (S&T) is partnered with the ILC Dover, located in Delaware, to make an inflatable structure designed to plug tunnels and subways during terrorist threats or natural disasters.
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ILC Dover is responsible for creating U.S space suits, the airbag cushion for the Mars rover and more for the department of defense.
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The next few photographs are snapshots of the balloon being inflated. It only takes 12 minutes to fully block the tunnel.
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It is stored in the walls and can be deployed from remote locations.
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This project was commissioned by the Department of Homeland Security after super-storm Sandy flooded New York subway stations.
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The RTP inflates to amount 32 by 16 feet in size and holds 35 thousand gallons of water and are made with puncture resistance. RTPs are designed to block water and gas.
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The light but strong material is cheaper than implementing a steel wall.
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New York City is already using different forms of this plug in their subways that are also created by ILC. There are already transit systems and corporations that are also interested.
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