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XB-70 Valkyrie: The Cold War’s Ultimate Supersonic Marvel
Imagine a bomber so fast it could outrun any fighter jet, soaring at Mach 3 speeds across continents. The XB-70 Valkyrie was this dream made real, pushing engineering to new heights. But its path was ...
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2023 exam information - GCSEs and Highers
BBC Bitesize has plenty of exam board specific information to help you to prepare for your exams. BBC Bitesize is home to a range of exam specific guides to help kick start your GCSE revision ...