There is also the suggestion the the XF-92 was meant to be a ram jet powered delta wing aircraft. It was suggested But no suitable engine was available.that a prototype or mock up was wind tunnel tested by NACA.
dashanya, 20.06.2011 07:10
turned over to NACA for tests before its flight career ended in 1953. By that time, work was well advanced on the operational delta-wing craft to follow, the F-102.