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설명Lockheed YF-12.jpg
English: Conceived as a triple-sonic interceptor aircraft, the YF-12 had all of the blazing performance of its more famous sister aircraft, the SR-71 Blackbird. On May 1, 1965, the YF-12 set no less than nine world absolute speed and altitude records at Edwards Air Force Base. Among these was a sustained altitude of 80,257 feet and a speed of 2,070 mph. In spite of this performance and operational potential, the aircraft never entered production.
The original description page was here. All following user names refer to en.wikipedia.
2005-05-16 04:21 Triddle 1821×1468× (223712 bytes) Conceived as a triple-sonic interceptor, the YF-12 had all of the blazing performance of its more famous sister aircraft, the SR-71. On May 1, 1965, the YF-12 set no less than nine world absolute speed and altitude records at Edwards AFB. Among these was