An 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 ⓒHandout . / Reuters
미국 공군은 북한 감시를 강화하기위해 지난 1일 고고도 무인정찰기를 일본 도쿄(東京)도 미군 기지에 실전 배치했다.