The TSR2 is one of the greatest "what-if" aircraft of the Cold War, whose cancellation still generates anger and controversy among aviation fans. It was a magnificent, cutting-edge aircraft, one of the most striking of the Cold War, but fell victim to cost overruns, overambitious requirements, and politics. Its scrapping marked the point when Britain's aerospace industry could no longer build world-class aircraft independently. After the demise of TSR2 the RAF's future jets would be modified US aircraft like the Phantom and pan-European collaborations like Tornado and Typhoon.

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