Lockheed Martin’s secretive Skunk Works has designed several impressive aircraft over the past 80 years, from the P-38 Lightning in 1939, which was essential to the Air Force’s air superiority during the Second World War, to the Lockheed Martin F-35 Lightning II joint strike fighter.

During the Cold War, Skunk Works focused on developing tactical and strategic reconnaissance aircraft, helping the US monitor the Soviet Union’s military arsenal. After the Soviet Union collapsed, Skunk Works focused all its ingenuity on developing stealth bombers and multipurpose fighters.

The top-secret plane specialists have delivered several aerospace icons, including the P-38 Lightning, P-80 Shooting Star, SR-71 Blackbird, F-104 Starfighter, F-22 Raptor, F-35 Lightning II, and F-117 Nighthawk. They have also likely drafted other clever aircraft we will never know about. 

In the lead, I favor the SR-71 Blackbird (a total knock-out of engineering) and the F-22 Raptor (one of the best fighter jets eve
— Read on simpleflying.com/thread/what-was-the-best-top-secret-plane-to-come-out-lockheed-martins-skunk-works/