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factory. SpaceX has test versions of all the hardware and electronics that go into a rocket laid out on metal tables. It has in effect replicated the innards of a rocket end to end in order to run thousands of flight simulations. Someone “launches” the rocket from a computer and then every piece of mechanical and computing hardware is monitored with sensors. An engineer can tell a valve to open, then check to see if it opened, how quickly it opened, and the level of current running to it. This testing apparatus lets SpaceX engineers practice ahead of launches and figure out how they would deal with all manner of anomalies. During the actual flights, SpaceX has people in the test facility who can replicate errors seen on Falcon or Dragon and make adjustments accordingly. SpaceX has made numerous changes on the fly with this system. In one case someone spotted an error in a software file in the hours right before a launch. SpaceX’s engineers changed the file, checked how it affected the test hardware, and, when no problems were detected, sent the file to the Falcon 9, waiting on the launchpad, all in less than thirty minutes. “NASA wasn’t used to this,” Watson said. “If something went wrong with the shuttle, everyone was just resigned to waiting three weeks before they could try and launch again.”12 From time to time, Musk will send out an e-mail to the entire company to enforce a new policy or let them know about something that’s bothering him. One of the more famous e-mails arrived in May 2010 with the subject line: Acronyms Seriously Suck: There is a creeping tendency to use made up acronyms at SpaceX. Excessive use of made up acronyms is a significant impediment to communication and keeping communication good as we grow is incredibly important. Individually, a few acronyms here and there may not seem so bad, but if a thousand people are making these up, over time the result will be a huge glossary that we have to issue to new employees. No one can actually remember all these acronyms and people don’t want to seem dumb in a meeting, so they just sit there in ignorance. This is particularly tough on new employees. That needs to stop immediately or I will take drastic action—I have given enough warnings over the years. Unless an acronym is approved by me, it should not enter the SpaceX glossary. If there is an existing acronym that cannot reasonably be justified, it should be eliminated, as I have requested in the past. For example, there should be no “HTS” [horizontal test stand] or “VTS” [vertical test stand] designations for test stands. Those are particularly dumb, as they contain unnecessary words. A “stand” at our test site is obviously a *test* stand. VTS-3 is four syllables compared with “Tripod,” which is two, so the bloody acronym version actually takes longer to say than the name! The key test for an acronym is to ask whether it helps or hurts communication. An acronym that most engineers outside of SpaceX already know, such as GUI, is fine to use. It is also ok to make up a few acronyms/contractions every now and again, assuming I have approved them, eg MVac and M9 instead of Merlin 1C-Vacuum or Merlin 1C-Sea Level, but those need to be kept to a minimum. This was classic Musk. The e-mail is rough in its tone and yet not really unwarranted for a guy who just wants things done as efficiently as possible. It obsesses over something that other people might find trivial and yet he has a definite point. It’s comical in that Musk wants all acronymPDF Image | SpaceX and the Quest
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