F117 Night Hawk
The F-117 Night Hawk was a secret program called "Have Blue" until the U.S. confirmed the existance of the plane in 1988 although the first F-117's were given to the USAF in August of 1982.
The F-117 has several stealth capabilitys like, angaled airframe surfaces, the wing and fuselage are aerodynamically blended and made of aluminium but coated with radar absorbant materials, and tail surfaces are made of composites.
The F-117 is a stealth strike fighter with two 10,800lb thrust General Electric F404-GE-F102 turbofans.
The maximum spead of the plane is Mach 1 but the plane normally flys at Mach 0.9.
Empty, the plane weighs 30,000lbs with a maximum lift off wieght of 52,500lbs.