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headquarters with a head full of fury, Mary Beth Brown tried to calm him and stop him from seeing Musk. Hollman kept going anyway, and the two of them proceeded to have a shouting match at Musk’s cubicle. After all the debris was analyzed, it turned out that the b-nut had almost certainly cracked due to corrosion from the months in Kwaj’s salty atmosphere. “The rocket was literally crusted with salt on one side, and you had to scrape it off,” Mueller said. “But we had done a static fire three days earlier, and everything was fine.” SpaceX had tried to save about fifty pounds of weight by using aluminum components instead of stainless steel. Thompson, the former marine, had seen the aluminum parts work just fine in helicopters that sat on aircraft carriers, and Mueller had seen aircraft resting outside of Cape Canaveral for forty years with aluminum b-nuts in fine condition. Years later, a number of SpaceX’s executives still agonize over the way Hollman and his team were treated. “They were our best guys, and they kind of got blamed to get an answer out to the world,” Mueller said. “That was really bad. We found out later that it was dumb luck.”* After the crash, there was a lot of drinking at a bar on the main island. Musk wanted to launch again within six months, but putting together a new machine would again require an immense amount of work. SpaceX had some pieces for the vehicle ready in El Segundo but certainly not a ready-to- fire rocket. As they downed drinks, the engineers vowed to take a more disciplined approach with their next craft and to work better as a collective. Worden hoped the SpaceX engineers would raise their game as well. He’d been observing them for the Defense Department and loved the energy of the young engineers but not their methodology. “It was being done like a bunch of kids in Silicon Valley would do software,” Worden said. “They would stay up all night and try this and try that. I’d seen hundreds of these types of operations, and it struck me that it wouldn’t work.” Leading up to the first launch, Worden tried to caution Musk, sending a letter to him and the director of DARPA, the research arm of the Defense Department, that made his views clear. “Elon didn’t react well. He said, ‘What do you know? You’re just an astronomer,’” Worden said. But, after the rocket blew up, Musk recommended that Worden perform an investigation for the government. “I give Elon huge credit for that,” Worden said. Almost exactly a year later, SpaceX was ready to try another launch. On March 15, 2007, a successful test fire took place. Then, on March 21, the Falcon 1 finally behaved. From its launchpad surrounded by palm trees, the Falcon 1 surged up and toward space. It flew for a couple of minutes with engineers now and again reporting that the systems were “nominal,” or in good shape. At three minutes into the flight, the first stage of the rocket separated and fell back to Earth, and the Kestrel engine kicked in as planned to carry the second stage into orbit. Ecstatic cheers went out in the control room. Next, at the four-minute mark, the fairing atop the rocket separated as planned. “It was doing exactly what it was supposed to do,” said Mueller. “I was sitting next to Elon and looked at him and said, ‘We’ve made it.’ We’re hugging and believe it’s going to make it to orbit. Then, it starts to wiggle.” For more than five glorious minutes, the SpaceX engineers got to feel like they had done everything right. A camera on board the Falcon 1 pointed down and showed Earth getting smaller and smaller as the rocket made its way methodically into space. But then that wiggle that Mueller noticed turned into flailing, and the machine swooned, started to break apart, and then blew up. This time the SpaceX engineers were quick to figure out what went wrong. As the propellant was consumed, what was left started to move around the tank and slosh against the sides, much like wine spinning around a glass. The sloshing propellant triggered the wobbling, and at one point it sloshed enough to leave anPDF Image | SpaceX and the Quest
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