“Flight—Booster,” she said into her headset mic. “We lost another sensor. I’m tempted to inhibit limits.” The Flight Director barely hesitated; it was already too late for the shuttle to return to Earth. “Inhibit limits,” he said. In the shuttle cockpit, the commander flicked the switch to override the onboard computers, allowing the two remaining engines to burn on for nearly a minute longer than planned—and, at last, Challenger limped safely into orbit.