Douglas X3 „Stiletto“ Jagdflugzeug There are currently only two

There are currently only two airworthy examples

With 11 years of service

The A-10 is currently only used by the USAF

It can carry a variety of air-to-air and air-to-ground weapons

which had already been in use in the early 1960s

Douglas X3 „Stiletto“ Jagdflugzeug There are currently only twoThe only twin engine X 3 built was designed to enable sustained flight at twice the speed of sound, the use of very short wings and the construction of the airframe from titanium . However, difficulties in developing the originally planned Westinghouse J46 engines forced the use of the much weaker J34 engines , preventing the X 3 from reaching its Mach 2 potential . Nevertheless, the data gained during the X 3 program greatly benefited the F 104 , the