.South Korea has announced the purchase of 4 Northrop Grumman RQ-4 Global Hawk unmanned aerial vehicles, advanced drones built for surveillance missions
.The South Korean Air Force will purchase the drones as part of a new program of airborne intelligence, surveillance, and reconnaissance, reports "Sputnik News"
According to the Air Force, the acquisition of the first two drones is set to take place in December, with two more to arrive in 2019. The drones will be based out of the Gyery ongdae military compound in South Chungcheong Province, the military center of the country, according to Sputnik News
.Each drone costs an estimates US$ 223 million