YRF-84F Thunderstreak s/n 51-1828

Prototype Republic YRF-84F Thunderstreak s/n 51-1828, NACA 154, on the ramp adjacent to Hangar 4802 at the NACA High-Speed Flight Research Station in 1954. The one-of-a-kind prototype was flown from 1954 through 1956 to gather research data on the pitch-up phenomenon, a common problem with early swept-wing aircraft.

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