When they suggested to Mulloy that he place a restriction on future shuttle missions, to forbid launching if the air temperature was below what they’d seen in the O-rings after that record low in January—fifty-three degrees Fahrenheit—the Marshall engineer angrily refused. “Come on—this is a hundred-year event, for Christ’s sake!” he said. “Do you think that this is going to happen again before we fix the joint? No!”
