Handout . / ReutersAn undated U.S. Air Force handout photo of a RQ-4 Global Hawk unmanned aircraft. The U.S. Air Force has decided to scrap its Northrop Grumman Corp high-altitude unmanned surveillance plane program and instead extend the life of its U-2 aircraft into the 2020s, according to a government official and a defense analyst. Loren Thompson, chief operating officer of the Virginia-based Lexington Institute, said the Air Force decision was based on the cost of the Global Hawk unmanned planes, and that the
미국 공군은 북한 감시를 강화하기위해 지난 1일 고고도 무인정찰기를 일본 도쿄(東京)도 미군 기지에 실전 배치했다.