Oleg Zabluda's blog
Saturday, January 20, 2018
 
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SAN DIEGO (AP) — Recent assaults by tactical teams on prototypes of President Donald Trump’s proposed wall with Mexico found their imposing heights should stop border crossers [...] Military special forces based in Florida and U.S. Customs and Border Protection special units spent three weeks trying to breach and scale the eight models in San Diego, using jackhammers, saws, torches and other tools and climbing devices
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Each model was to be 18 to 30 feet (5 to 9 meters) high, and contractors built at or near the maximum, which is roughly twice as high as many existing barriers.
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The highly trained testers scaled 16 to 20 feet (5 to 6 meters) unassisted but needed help after that [...] Testers also expressed safety concerns about getting down from 30 feet. Only once did a tester manage to land a hook on top of the wall
[...
The findings appear to challenge what Janet Napolitano, now chancellor of the University of California, often said when she was President Barack Obama’s homeland security secretary: “You show me a 50-foot wall, and I’ll show you a 51-foot ladder.”
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The report favors steel at the ground level because agents can see what is happening on the other side through mesh, and damage can more easily be fixed than concrete, [...] Topping the steel with smooth concrete surfaces helps prevent climbing.
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https://apnews.com/a7c524fcd45e4c99959970d337dbdc3c
https://apnews.com/a7c524fcd45e4c99959970d337dbdc3c

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