Pentagon to launch blimps to guard against cruise missiles

The Pentagon has discovered a gap in the defenses of Washington, D.C., and it's about to test a solution.

But depending on your point of view, the solution is either vital for national security or a threat to American privacy.

Starting this fall, two blimps will float at 10,000 feet over the Army's Aberdeen Proving Ground in Maryland in an attempt to develop a defense for the nation's capital against cruise missiles fired from ships offshore.

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