Penetrating US ICBM Silo Anti-Personnel Defenses: Terrorist DIY Guide

Only in America would the US government reveal precise details of its ICBM silo anti-personnel security hatches, combination locks, timers and defensive firearms

viaDavid Hambling, writing for Forbes, September 16, 2020 at 
https://www.forbes.com/sites/davidhambling/2020/09/16/us-enhances-last-line-of-nuclear-missile-silo-defense/#7ac6977f6f56

"...The U.S. Air Force is improving the protection of its nuclear missile silos from against attacks by terrorists or other ground forces, with a  $21 million contract to Northrop Grumman NOC +1.6% for a device known as a Fast Rising B-Plug. This unusual item is literally the last line of defense between the bad guys and a missile with a live 400-kiloton nuclear warhead..."

One ton outer access hatch (above) and 7 ton B-Plug "hatch" below. (Photos and details courtesy US Air Force via Forbes.) 
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