Capt. Jeffrey S. Feinstein, a WSO in the backseat of an F-4, achieved ace status by shooting down his fifth MiG-21, becoming the third and final USAF ace of the Vietnam War. He is still the most recent ace in Air Force history.
The Air Force Research Laboratory is offering free licenses for dozens of its patents, including some for secure microchips, 3D-printable “energetic compounds” for use as propellants or explosives, and powerful magnets that are less reliant on rare earth metals. The...

