Military drones are already used to survey the border between the US and Mexico, but starting last week, another piece of military technology has made its way back home. The latest surveillance tool to be picked up by the Department of Homeland Security is the Kestrel wide-area camera system, which can capture miles of terrain in a single high-resolution image. The system was originally used in Afghanistan, where it watched perimeters and took pictures of insurgents at bomb emplacements.
Mounted to a 75-foot aerostat 2,000 feet off the ground, the Kestrel was deployed last week to watch the border in Nogales, Arizona. ...
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