The F-102 was the world's first supersonic all-weather jet interceptor and the US Air Force's first operational delta-wing aircraft. Consolidated Vultee led the nation in exploiting the delta-wing concept pioneered by Alexander Lippisch in Germany, with the first production item being the beautiful, sharp-edged Delta Dagger.rnThe YF-102 was a scaled-up version of the XF-92 experimental aircraft, but its first flight was a disappointment; it was not able to achieve supersonic flight, as anticipated. During a four-month-long major rework, the design was modified to conform to Richard T. Whitcomb's Area Rule.
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