Word: contrails
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Dates: during 1960-1969
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When the first supersonic jet trans port takes off on a commercial flight, it will leave a contrail of money behind it. For SST development costs have far outdistanced early estimates. In 1962, U.S. planemakers figured that it would require $1.5 billion...
Bomber pilots are against those tell-tale streaks known as contrails-and in the future they may not have to worry about them; see SCIENCE, Death of a Contrail...