Northrop Grumman has successfully ferried the first of five NATO Alliance Ground Surveillance (AGS) aircraft, via a non-stop, 22-hour transatlantic flight. The aircraft took off on Wednesday, Nov. 20, from Palmdale, California and landed approximately 22 hours later on Nov. 21 at Sigonella Air Base, Sigonella, Italy. The NATO AGS RQ-4D aircraft ...