Maj. William Lien makes the first flight of the Republic XP-84 at Muroc Dry Lake, Calif. The Thunderjet is the AAF’s first post-war fighter and will be used extensively for ground attack missions in the Korean War. Later designated F-84, the Thunderjet is the first fighter to carry a tactical nuclear weapon.
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.
