On all test missions, the X-1B was carried to launching altitude, normally 25,000 to 35,000 feet, nestled under a "mother" airplane. It was then released in mid-air and rocket power was applied which, under full throttle, lasted less than five minutes. After all fuel (an alcohol-water mixture) and liquid oxygen had been consumed, the pilot glided the airplane to earth for landing.
The airplane on display was transferred to the Air Force Museum in January 1959.
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