Douglas X3 „Stiletto“ Jagdflugzeug with a reputation built on

with a reputation built on reliability

the Boeing 737 is one of the most successful and most used passenger aircraft in the world

With 11 years of service

There are currently only two airworthy examples

The A-10 is currently only used by the USAF

Douglas X3 „Stiletto“ Jagdflugzeug with a reputation built onThe 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