FAA investigating video of gun-firing drone http://t.co/jM7OYqAAJL pic.twitter.com/JZG1YbWYYU — NBC News (@NBCNews) July 18, 2015
FAA investigating video of gun-firing drone http://t.co/jM7OYqAAJL pic.twitter.com/JZG1YbWYYU
— NBC News (@NBCNews) July 18, 2015
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