SpaceX is moving stuff for the NRO [Live: 19.12.2020, 14:00 UTC]
SpaceX is launching a classified mission for the National Reconnaissance Office.
The booster is a Block 5 on its 5th flight and will return to land.
The mission to geostationary transfer orbit will launch from Space Launch Complex-39, Kennedy Space Center.
SpaceX will attempt to capture the fairings.
Check your local time of launch at: www.timeanddate.com
Where to watch:
Or 15 minutes before launch:
Background information about previous SpaceX launches: Wikipedia
Useful links to stay up to date on launches:
Spaceflightnow.com: Launch Schedule
Everyday Astronaut: Prelaunch Previews
Data: flitghtclub.io
Space News:
NASA Spaceflight nasaspacefight.com
Be aware, this is rocket surgery.
Small disturbances can lead to postponed launches. Making sure everything is just right is way cheaper than risking big fireworks.