The Republic XF-91 Thunderceptor was a mixed-propulsion prototype interceptor aircraft powered by jet and rocket engines.
Previously:
Kyushu J7W1 Shinden - photos
Boeing YC-14 - photos and video
Northrop YA-9 ground attack aircraft - photos and video
McDonnell XF-88B Voodoo - photos
Douglas X-3 Stiletto test flight - video
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