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.
Pentagon Cancels $6B GPS Ground System Contract
April 20, 2026
The Pentagon has canceled its contract with RTX to field a ground segment to manage its most capable GPS satellites, a more than 15-year effort beleaguered by software development issues and cost overages.