Fighters which did not make the cut: The Republic F-91 ‘Thunderceptor’

Bearing a close conceptual and structural resemblance with the P-84 (later F-84) Thunderjet series in its fuselage and the F-84F Thunderstreak in its swept tail unit, Republic’s design for a ‘penetration fighter’ received an initial US Army Air Forces order in March 1946 for two XP-91 prototypes which emerged only after the USAAF had become …