An entry in Thursday’s column on the International Space Exploration Forum in Washington, D.C., should have stated that China was the third country to successfully land on the moon. We’ve corrected the original entry.
A semi-autonomous Collaborative Combat Aircraft drone shot down an air-to-air target in a Dec. 8 test supported by the U.S. Air Force, a notable milestone in the development of the loyal wingman-type drones that will join the fleets of the USAF, other American services, and allies and adversaries.
