Management of the Joint Unmanned Combat Air System (J-UCAS) transfers from DARPA to joint Air Force-Navy leadership. (The Quadrennial Defense Review issued in 2006 would cede the program to the Navy alone.)
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.
