
Elon Musk-led SpaceX today launchedthe secret Zuma spacecraft for the US government.
The launch which was scheduled to take place in November finally happened after nearly a two-month delay on Sunday night.
"Team at the Cape completed additional propellant-loading tests today," SpaceX said.
Neither the US government or SpaceX has revealed anything about the "classified" spacecraft.
Zuma lifted off atop a two-stage Falcon 9 rocket from Florida's Cape Canaveral Air Force Station.
An elated Musk tweeted: