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 Pentagon is making progress developing a new target round for test the effectiveness of U.S. missile defenses. Contractor Northrop Grumman announced the first flight of a redesigned vehicle Jan. 8.

