Astronaut Slated to Be First African-American ISS Crew Member Unexpectedly Grounded

She will instead assume duties in the “Astronaut Office,” and will be replaced by Serena M. Auñón-Chancellor.

from gizmodo http://www.gizmodo.co.uk/2018/01/astronaut-slated-to-be-first-african-american-iss-crew-member-unexpectedly-grounded/