Low-Flying Helicopters Testing for Radiation
The helicopters hovering overhead are searching for radiation.
Some area helicopters are hovering only 300 feet above the ground, testing radiation levels.
In more urban areas a police helicopter is known as a "ghetto bird" -- but in this case, it's a Geiger bird.
A twin-engine Bell 412 will "hover just 300 feet above the ground" in San Francisco, Oakland, and Pacifica from Monday until Friday, according to the newspaper.
There's no Fukushima event that's being covered up -- the chopper is looking for "naturally occurring background radiation," the newspaper reported.
The helicopter will survey 69 square miles on behalf of the U.S. Department of Homeland Security's Domestic Nuclear Detection Office and the National Nuclear Security Administration, the newspaper reported.
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