June 25th 1964 test flight of X15A-2

 On June 25^th 1964 Major Bob Rushworth makes the first flight in the modified number two X-15 research rocket craft. In this flight , X-15A-2 reached a top speed of 2,966 mph and a maximum altitude of some 83,000 feet.

Before this flight the aircraft had undergone a mating checkout test flight in which it remained attached to the parent B52 (conducted June 11^th ) , followed by a free fall flight to evaluate further the craft’s capabilities before a powered test.

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