The first U.S. observation balloon of World War I is shot down north of the village of Villers sur Marne, France. The French-built balloon is manned by members of the 2nd Balloon Co., who both escape safely after the attack by a German pilot flying an Albatros.
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.