The Air Force and its industry partners successfully launch the first Global Positioning System Block IIF satellite into space aboard a Delta IV rocket from Cape Canaveral Air Force Station, Fla. The Boeing-built spacecraft features a more robust and higher power military signal-first included on GPS Block IIR-M satellites-and a new L5 civil signal for aviation safety of flight.
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.
