The first successful test jump with a free fall parachute is made by Leslie Irving at McCook Field, Ohio. He uses the prototype Model AA parachute as he jumps from a USD-9 (the US built version of the British deHavilland DH-9), piloted by Floyd Smith.
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.