The Northrop F-20 Tigershark was an advanced fighter plane when it was first produced in 1983. Initially, it was called the F-5G, an upgraded version of the F-5E featuring a significantly more ...

Consequently, it chose to upgrade that F-5 airframe with a single GE F404-GE-100 low bypass turbofan offering 17,000 pounds of thrust that could propel the F-20 to Mach 2.1 at 36,000 feet.

Switzerland originally procured 98 F-5Es and 12 F-5F fighters, first placing the type in service in 1976, according to Bern. The country still has 18 F-5Es and five F-5Fs still in service ...

The J-20's progress has been accompanied by reports that China stole its tech from the US's F-22. There are also suspicions that Beijing lifted hardware from the wreck of another US stealth jet.