An entry in the March 3 Daily Report incorrectly identified the Air Force’s acquisition chief. Darlene Costello, is the principal deputy assistant secretary of the Air Force (acquisition & logistics). We have corrected the original entry.
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.

