This week in SF history— 26 May 1951. Birth of Sally Ride — Rogers Commission (wikipedia.org) (PDF: spaceflight.nasa.gov) — Columbia Accident Investigation Board (wikipedia.org) (PDF: nasa.gov)Spaceflight news— Starlink deployment begins (spacenews.com) (youtu.be/riBaVeDTEWI) — N2YO is a good satellite tracking resource (n2yo.com) — Visibility concerns (vimeo.com) (twitter.com/Alex_Parker/) (twitter.com/cgbassa) — Auto-avoidance (ieee.org)— Hayabusa2 aborts second marker deployment (planetary.org)Short & Sweet— Student-built Rocket Reaches Space (PDF: squarespace.com) (uscrpl.com)— OSIRIS-REx Citizen Science (asteroidmission.org) (bennu.cosmoquest.org)— Vulcan passes its critical design review. (spaceflightinsider.com)— Long March 4 suffers a failure. (spacenews.com)