The F-117 Nighthawk turns twenty this year. From its first flight in June 1981 through more than fifteen years of operational service that includes deployment in two major conflicts, the stealth capabilities of this black jet have revolutionized air warfare.

Surprise, Surprise
The US Air Force announced Thursday the existence of an operational stealth fighter aircraft, officially known as the F-117A. The single-seat, dual engine aircraft is built by Lockheed Corporation in California. The F-117A first flew in June 1981.