Centaur Burn Complete, Starliner Separation Next https://blogs.nasa.gov/commercialcrew/2019/12/20/centaur-burn-complete-starliner-separation-next/
Weather Remains Good for Launch of Atlas V and Boeing CST-100 Starliner https://blogs.nasa.gov/commercialcrew/2019/12/20/weather-remains-good-for-launch-of-atlas-v-and-boeing-cst-100-starliner/
The Launch Team is “Go” for Launch, T-4 Minute Hold Complete https://blogs.nasa.gov/commercialcrew/2019/12/20/the-launch-team-is-go-for-launch-t-4-minute-hold-complete/
Liftoff! Atlas V Clears the Launch Pad with Boeing’s CST-100 Starliner Spacecraft https://blogs.nasa.gov/commercialcrew/2019/12/20/liftoff-atlas-v-clears-the-launch-pad-with-boeings-cst-100-starliner-spacecraft/
Boeing’s Starliner Separates from Atlas V Centaur https://blogs.nasa.gov/commercialcrew/2019/12/20/boeings-starliner-separates-from-atlas-v-centaur/
CBERS 4A launched – several secondary payloads on board including ETRSS-1 http://www.go-taikonauts.com/en/chinese-space-news/2830-cbers-4a-launched-several-secondary-payloads-on-board-including-etrss-1
Ecos Espaciales 