USAF C-17 and C-130 transports airlift relief aid to Pakistan following a devastating Oct. 8 earthquake. USAF C-5s transport Army helicopters as part of a joint task force that soon had international assistance. As of Oct. 21, USAF had airlifted more than 1,200 tons.
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.

