The Rockwell-Messerschmitt-Bölkow-Blohm X-31 is an experimental jet aircraft designed to test fighter thrust vectoring technology.

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2014年2月28日 · The X-31 program demonstrated the value of thrust vectoring – directing engine exhaust flow – coupled with advanced flight control systems, to provide controlled flight at very high angles of attack.

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1995年2月1日 · The X-31 experimental aircraft was designed and built by Rockwell and Messerschmitt-Bölkow-Blohm (MBB), as part of a joint U.S. and German Enhanced Fighter Maneuverability program to improve pilots’ abilities to control the aircraft’s pitch and yaw with more finesse than was possible in most conventional fighters.