Gallery: The Blimps of War -- Danger Room
For seven decades, they were a curiosity, a relic of a lighter-than-air future that never quite came true. But in recent years, airships have once again become a major force in aviation. The Pentagon has gone especially blimp-crazy, pouring hundreds of millions of dollars into advanced -- and massive -- surveillance airships that can stay in the sky way longer than any drone. Here are some of the new Blimps of War.
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My Comment: What is old is now new again.