NASA management was concerned about losing the 400,000 workers involved in Apollo after landing on the moon in 1969.
NASA management did not like this name, and asked him to change it.
NASA management came to refer to this phenomenon as "foam shedding."
"It does appear to me that NASA management asked the question, 'You have to prove it's safe,' which is right," he told the House hearing.
Tension between scientists and NASA management is nothing new.
Allegedly, NASA upper-level management embraced this decreased safety focus in the 1980s while some engineers remained wary.
They arranged a telephone conference with NASA management and gave their findings.
NASA management currently has limits in place to restrict the number of hours in which astronauts are to complete tasks and events.
NASA management did not approve the mission proposal, and it was never launched in 1974.
Many dissenters, including astronauts, asked NASA management to reconsider allowing the mission, but initially the director stood firm.