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Giant Robotic Blimp

the idea is to park an unmanned airship over a hot zone for a year, at nearly 65,000 feet in the sky.
Noah Shachtman's site: All-Seeing Blimp on the Rise
the eventual goal is to get a carrier-sized, unmanned zeppelin that would stay up for 10 years at a time, keeping watch on everything below.
Giant Robotic Spy Blimp Creeps Forward | Danger Room from