A super worthwhile thread
RT @MaryRobinette@twitter.com
Let's talk about spacesuits, specifically Extravehicular Mobility Units, and being a #ladyastronaut.
The EMUs on the ISS were designed more than 40 years ago, with a 15-year shelf life.
11 of the original 18 are still in use.
Only 4 are on the ISS.
Those are the only EMUs. https://twitter.com/lorengrush/status/1110290350005014529
: https://twitter.com/MaryRobinette/status/1110394121515134976