The rocket continued to implode. All hell was breaking loose inside the aircraft. Amid the tumult and danger, Zach Dunn stepped forward to save his first stage. A few years earlier, Dunn had feared missing out on his chance to make a difference at SpaceX. Now he would climb inside a collapsing rocket, thousands of feet above the Pacific Ocean. He held a wrench—and the fate of SpaceX—in his hands.
