Several USAF C-130s, a C-5, and two MH-60 aircraft participate in a humanitarian operation to Venezuela where a flood left some 200,000 people homeless.
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.
