Army Air Service Brig. Gen. Billy Mitchell helps to lead a series of tests off the mouth of Chesapeake Bay, with Army crews from the First Provisional Air Brigade, at Langley Field, Va., flying Martin MB-2 bombers, and bombing ships to demonstrate the importance of airpower. The former German destroyer G-102 is sunk in 19 minutes on July 13, a prelude to the sinking of the captured German battleship Ostfriesland on July 21.
Active-Duty Airmen only have a few days left to submit an official waist-to-height ratio into the Air Force’s new online application. But the service clarified July 23 that this first body composition measurement is not meant to be scored as part of the new Physical Fitness Readiness Assessment, or PFRA