@SFOMuseum Twitter Posts This is SFO Museum's archive of the @SFOMuseum Twitter account.
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But in 1971, with astronomically high costs, doubts about profitability, and pressure from environmental groups due to the noise pollution caused by supersonic aircraft, Congress cancelled funding for the SST program before Boeing could produce a prototype. #SSTFirstGeneration . This tweet was posted on March 21, 2023.