Convair YF-102 Published on October 24, 2012 in 24 October 1953Full resolution (1800 × 1115) Next → The first prototype Convair YF-102 Delta Dagger, 52-7994, on Rogers Dry Lake, October 1953. (U.S. Air Force)The first Convair YF-102 built (S/N 52-7994). (U.S. Air Force photo)