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Mary Robinette Kowal @MaryRobinette
, 5 tweets, 3 min read Read on Twitter
Good morning. I'm in the VAB. (vehicle assembly building) Any questions?

#NASAsocial #SolarProbe
There are Apollo era parts of the VAB because they don't take anything apart without a reason. Disassembly costs money.

But when they do... The copper wire they pulled out of the VAB, when sold for scrap, paid for the fiber optics.

#NASAsocial #SolarProbe
They build full size "fit models" of everything to fake sure it will fit in the building.

The size of the VAB dictated the shuttle wing length. It had only 18 inches of clearance going through the doors.

#NASAsocial #SolarProbe
People working on flight hardware in the VAB have to wear tethers in all their tools so they can't drop them from 21 stories.

Our guide saw a pair of wire cutters, brought by a contractor and unlogged, fall and embed themselves in a steel plate.

#NASAsocial #SolarProbe
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