Aurora Flight Sciences is working on technology that could allow the military to use unmanned helicopters to supply its troops.
원문출처 : http://www.cnn.com/videos/politics/2016/11/14/unmanned-military-helicopter-talos-orig-vstan.cnn
원문출처 : http://www.cnn.com/videos/politics/2016/11/14/unmanned-military-helicopter-talos-orig-vstan.cnn