Over international waters 80 miles off the Chinese coast, two Chinese fighters intercept a U.S. Navy EP-3 surveillance aircraft. One of the fighters collides with the EP-3 and the fighter pilot is lost at sea. The EP-3 is forced to land on Hainan, where its 24 member crew, including one USAF Airmen, is held for 12 days.
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.

