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Medical aspects of supersonic travel.
During the 1950s, military aircraft in France and the United Kingdom developed along almost identical lines in that supersonic fighters were developed together with delta-plan research aircraft capable of speeds twice the speed of sound (Mach 2). At the end of the decade, discussions between the British Aircraft Corp. (BAC) and Sub-Aviation of France (SUD) resulted in suggested designs for a supersonic transport (SST) aircraft. With official backing from both governments, the Anglo-French Concorde Agreement was signed in 1962. At first, the development costs were estimated to be between 150 and 170 million, the costs to be equally divided between both nations. The total costs for research and development are now expected to exceed 1065 million!
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