On 7th January 2018, SpaceX launched a secretive US government payload named Zuma.
SpaceX launches Zuma:
i. Maker of the payload is Northrup Grumman. He said that the payload was for US government. He added that it would be delivered to low-Earth orbit.
ii. But nature of the mission and agency behind it were not revealed. The payload is on its way to low-Earth orbit.
iii. SpaceX returned the tall portion of the Falcon 9 rocket to landing at Cape Canaveral, after launch.