HALE Aircraft Is Designed To Remain Airborne For Up To 4 Days While Reaching Altitudes Of 65,000 Feet
Boeing's Phantom Eye unmanned airborne system (UAS) completed its first autonomous flight June 1 at NASA's Dryden Flight Research Center at Edwards Air Force Base, CA. The 28-minute flight began at 0622 PDT time as the liquid-hydrogen powered aircraft lifted off its launch cart.