Watch the Falcon Heavy fire up its engines

All NASA centers and facilities will begin a mandatory telework policy for agency and contractor employees effective immediately, except for “mission-essential” personnel, to combat the threat from the coronavirus pandemic, officials announced Tuesday.

The National Reconnaissance Office has confirmed it will launch a payload on a SpaceX Falcon 9 rocket from Cape Canaveral later this month, a mission on SpaceX’s schedule that was not publicly disclosed until recently.

Revisit Friday night’s blastoff of a United Launch Alliance Atlas 5 rocket from Cape Canaveral with SBIRS GEO Flight 4, the fourth in an upgraded line of U.S. Air Force missile detection and warning satellites.