Originally planned for a launch Thursday, January 4, then delayed until Friday, January 5 and now delayed until Sunday January 7.
Among the few concrete details, however, is the launch's contractor, Northrop Grumman, who was selected by the USA government to find a rocket for the launch, hence the use of Falcon 9.
About 8 minutes later, the first stage of the Falcon 9 rocket came in for a handsome night landing at a launch pad back at the Cape.
SpaceX will attempt to launch a Falcon 9 rocket from Cape Canaveral Air Force Station tonight. The launch window opens at 8 p.m.
SpaceX launched Zuma from its SLC-40 launch facility at Cape Canaveral in Florida, which was used instead of its other launch facility at Cape Canaveral because that was being employed for preparations for the launch of SpaceX's Falcon Heavy rocket.
It's still unclear where the Zuma mission will be heading.
The second stage was programmed to fire into orbit to deploy Zuma a few hundred miles above Earth.
One theory floated was that the mission might be connected to one SpaceX launched into a similar orbit last May for the National Reconnaissance Office.
Musk, who is also the CEO of Tesla, has said there is a good chance the new rocket could blow up, thus his own personal property will be the payload on top: his Tesla Roadster.
SpaceX lofted the super-secret Zuma spacecraft for the USA government tonight (Jan. 8), successfully executing a mission that also featured yet another landing by the first stage of the company's Falcon 9 rocket.