The SST contract was cancelled in March, and the sign went up in April 1971, the same month that Boeing's workforce reached the nadir of 38,690. The energy cris

The SST contract was cancelled in March, and the sign went up in April 1971, the same month that Boeing's workforce reached the nadir of 38,690. The energy crisis didn't really bite until 1973. [0] [0] https://en.wikipedia.org/wiki/1970s_energy_crisis#/media/File:Nominalrealoilprices1968-2006.png https://en.wikipedia.org/wiki/1970s_energy_crisis#/media/Fil...