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An Iraqi Kurdish Peshmerga fighter prepares an ammunition belt as he guards a position at the frontline of fighting against Islamic State (IS) group's militants near the northern Iraqi town of Sinjar, west of the city of Mosul on August 17, 2015.  AFP PHOTO / SAFIN HAMED        (Photo credit should read SAFIN HAMED/AFP/Getty Images)
An Iraqi Kurdish Peshmerga fighter prepares an ammunition belt as he guards a position at the frontline of fighting against Islamic State (IS) group's militants near the northern Iraqi town of Sinjar, west of the city of Mosul on August 17, 2015.  AFP PHOTO / SAFIN HAMED        (Photo credit should read SAFIN HAMED/AFP/Getty Images)

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CNN Chief National Security Correspondent Jim Sciutto gets an exclusive look at a secretive military intelligence facility with a trove of foreign weapons -- which could help in the fight against ISIS.

Rare look at America's rocket program

CNN Chief National Security Correspondent Jim Sciutto gets an exclusive look at a secretive military intelligence facility with a trove of foreign weapons -- which could help in the fight against ISIS.