Richwine, of nasa, told me that he thinks S.S.T. could cut some flight times in half. But, he said, supersonic flight wouldn’t proportionately reduce over-all t

Richwine, of nasa, told me that he thinks S.S.T. could cut some flight times in half. But, he said, supersonic flight wouldn’t proportionately reduce over-all travel time until we fixed our infrastructure: How much better is flying from L.A.X. to J.F.K. in two or three hours if you spend twice that time in airports and traffic?