1 person bested this! |
Do you think this is the best? 
|
The Bell X-1, originally designated XS-1, was a joint NACA-U.S. Army Air Forces/US Air Force supersonic research project and the first aircraft to exceed the speed of sound in controlled, level flight. It was the first of the so-called X-planes, an American series of experimental aircraft designated for testing of new technologies and usually kept highly secret.
NOT TO BE CONFUSED WITH THE BAND, Bell X1!
Get Great Stuff at 
(and other places we like)
Members that think Bell X-1 is the best!
Comments
Post the first comment!