hardened site


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hardened site

A site, normally constructed under rock or concrete cover, designed to provide protection against the effects of conventional weapons. It may also be equipped to provide protection against the side effects of a nuclear attack and against a chemical or a biological attack.
References in periodicals archive ?
Aquino explained why the security situation in Zamboanga City was also critical to him: After the 2013 siege, he had ordered that the city be considered a hardened site, meaning it should be doubly secured and monitored.
There are now two new groups of centrifuges installed at Fordow--the hardened site built under a mountain near the holy city of Qom--which signals a doubling of the site's capacity since May.