The Pentagon has called BS on Netflix's "The House of Dynamite," saying its depiction of America's capability to strike down a nuclear attack is wildly inaccurate ... but a national security expert is raising red flags.

Fred Kaplan , a political journalist and former defense-policy adviser, joined CNN on Tuesday and said Kathryn Bigelow 's war thriller is actually quite accurate, with its line stating America's $50 billion nuclear missile defense is accurate half the time. Everett Collection

He also slammed the Pentagon for the "dangerous" act of purposefully misleading top officials in a mid-month internal memorandum obtained by Bloomberg that claims the pricey system of interceptors has 100% accuracy.

In fact, Kaplan claims America's system has been tested 20 times, and it h

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