The Air Force RQ-4 Global Hawk Block 40 unmanned aerial vehicle (designated AF-18) makes its first flight, flying for about two hours from Northrop Grumman’s production facility in Palmdale, Calif., to Edwards AFB, Calif. The Block 40 version will carry the MP-RTIP (multi-platform radar technology insertion program) all-weather radar sensor that Northrop and Raytheon are developing for enhanced detection and tracking of moving ground targets.
The U.S. began extensive air and artillery strikes against Islamic State group targets in Syria on Dec. 19 in retaliation for the killing of three Americans on Dec. 13 by a gunman affiliated with ISIS, U.S. officials said.
