A what-if situation emerges where, for this or that reason, Spitfire as we know it (= a fast 1-engined fighter by Supermarine, company's Type 300, conceived in second half of 1930s) never sees the light of the day. What should RAF do, either via the British companies or otherwise, to 'plug the gap' between Hurricane and next-gen fighters that were supposed to materialize as Typhoon/Tornado? Especially in late 1940-early 1943 time frame, when Spitfire was the #1 WAllied fighter. What companies should be favored? More than 1 answer to the situation can be given 