Republic began with the F-84 as a straight-wing monoplane on tricycle undercarriage with a jet engine in response to a General Operational Requirement in the final year of WW2. While a straight-wing model was eventually produced for frontline service in the Korean War, it was outclassed by the MiG-15’s it faced. What seemed like a simple idea, change to a swept-wing design, that development proved more extensive than expected. Continue reading