protecting military ss using surgers and blocking devices and faraday cages. mark: what s a faraday cage? a metal box that encloses the structure that keeps the emp from getting in at the electronics. air force one is a gigantic faraday cage. mark: in other words, it defends against the electromagnetic attacks? yes, that s right. mark: on whatever is under it. that s right. it keeps the electronics inside safe. and we can do the same for the electric grid and it wouldn t be that expensive. the emp commission estimated it would cost 2 billion to $3 billion. mark: for the entire grid? yes, the entire national grid. we used to give away in foreign aid to pakistan until president trump fortunately stopped that exercise. if we took the foreign aid to pakistan mark: i don t understand, they spend over $4 trillion a year. yes. mark: the gao reports we waste