Company pilot Charles Tucker makes the first flight of the Northrop X-4 Bantam at Muroc AFB, Calif. The X-4 is designed to study flight characteristics of small, swept-wing semitailless aircraft at transonic speeds.
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.
