Air Education and Training Command initiates “Warrior Week” at Lackland AFB, Tex., to give basic military trainees a taste of the Expeditionary Aerospace Force concept. It marks the biggest change in basic military training in more than 50 years.
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.

