Brig. Gen. Benjamin D. Foulois takes over as chief of the Air Service for the American Expeditionary Force (AEF) in Europe. He replaces Brig. Gen. William L. Kenly.
Northrop Grumman recently delivered the first production-version of a new upgraded, jam-resistant airborne navigation system for the Air Force's F-22 Raptor and Navy’s E-2D Advanced Hawkeye aircraft.