Douglas X3 „Stiletto“ Jagdflugzeug The A-10 is currently only

The A-10 is currently only used by the USAF

which had already been in use in the early 1960s

strahlgetriebenes Trainings- und Jagdflugzeug

There are currently only two airworthy examples

Douglas X3 „Stiletto“ Jagdflugzeug The A-10 is currently onlyThe 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