This week in SF history— October 17, 1956: Birth of Mae Jemison (wikipedia.org)Spaceflight news— Battery replacement EVAs (americaspace.com)— Commercial crew update (arstechnica.com) (spacenews.com) — Eric Berger says "full panic has ensued" (twitter.com/SciGuySpace) — Dragon done in 10 weeks? (twitter.com/elonmusk)Short & Sweet— Virgin Orbit announces potential Martian cubesat missions. (theverge.com)— Stratolaunch is now under new ownership. (spacenews.com)— The Jason-2 mission has ended, but its satellite will remain. (spacenews.com)