Boeing’s Phantom Eye liquid-hydrogen-powered remotely piloted aircraft completes its first autonomous flight, reaching an altitude of more than 4,000 feet and a cruising speed of 62 knots during its 28-minute flight at Edwards Air Force Base, Calif.
Air Force Gen. Alexus G. Grynkewich assumed command of U.S. European Command on July 1, taking over the key assignment as the U.S. and its allies contend with a resurgent Russia and a grinding war in Ukraine.
