Can technology overcome the friendly fire problem? DARPA is about to find out with its PCAS programme

On June 10, 2014, five US soldiers were killed in the Arghandab district of Zabul Province in southern Afghanistan, in what is understood to have been a friendly fire incident. A coalition-led air strike mistakenly targeted the troops as they returned to base after an operation. At once a tragic incident and a sensitive one, the episode highlights a continued gap in the capabilities of modern forces: an inability to ward off the risk of blue-on-blue engagement despite possessing the most cutti...
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