Detailed text transcripts for TV channel - CNN - 20170903:11:52:00
Heart of alaska's frontier at ft. greeley. the heavily armed battalion is in a landscape frigid even in summer, the tip barely revealing what lees underneath. we're allowed underground. >> this is what would be launched to intercept any threat coming in to defend the homeland. >> the key piece of equipment is right here? >> reporter: the kill vehicle is right there. >> reporter: the kill vehicle to take down any potential missile comes to the u.s., including from north korea which the u.s. could face in the future. here's how it works. north korea launches. >> we are engaging the threat at thi...
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