One fascinating one was a U2 getting lost on the way to the North Pole due to the Northern Lights and flying back into the Soviet Union just at the wrong time - alarming the Soviets and resulting in fighters being sent up by the US to protect the ailing U2. Unfortunately, due to the US being at Defcon 2 the fighters were only armed with nuclear air-to-air missiles.... The relief (for a number of reasons) the U2 pilot felt when he eventually landed was, understandably, rather intense!
Amazing book about a ghastly time.
Probably a SSC-2B "Samlet":
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