Australia is spending billions on unmanned American spy drones that will be able to fly higher and further than its manned aircraft, to beef up its surveillance operations in areas that include the disputed South China Sea.
원문출처 : https://www.cnn.com/2018/06/26/australia/australia-spy-drones-south-china-sea-intl/index.html
원문출처 : https://www.cnn.com/2018/06/26/australia/australia-spy-drones-south-china-sea-intl/index.html