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.
Air Force Chief of Staff nominee Gen. Kenneth S. Wilsbach said he'll give special attention to coordinating with the Navy on buys of new weapons.