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.
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.