First Flight:
Mission: Single stage ballistic missile that served as a testbed for
the Atlas XB-65 missile
Major Accomplishments: Provided a test platform for operational parts
used in the very successful Atlas missile program.
Power Source: North American
XLR43-NA-5
Diameter: 12'
Length: 96'
Maximum Achieved Speed: 10,000 mph (Mach 10+)
Additional Information: 8 X-11's were built. All of these were either static (powered without launch) or flight tested. The X-11 is the direct predecessor to the Atlas missile, later used for the Mercury manned orbital space program.
