軍事・安全保障自衛隊サイト 980228-D-0000M-002 Global Hawk, the Department of DefenseÕs newest reconnaissance aircraft, flies over Edwards Air Force Base, Calif., on Feb. 28, 1998, during its first flight. Global Hawk is a high-altitude, long-endurance, unmanned air vehicle designed to operate with a range of 13,500 nautical miles, at altitudes up to 65,000 feet and with an endurance of 40 hours. During a typic