The payload for the National Reconnaissance Office, which makes and operates spy satellites for the United States, soared into the sky atop a Falcon 9 rocket at 7:15 am (1115 GMT).
The satellite will be place in orbit more that 35,000 kilometers above the earth and provide telecommunications service to Brazil, SpaceX said.
SpaceX to send 2 passengers to moon in 2018
An unmanned SpaceX Falcon 9 rocket exploded September 1 in Cape Canaveral, destroying a satellite that Facebook planned to use to beam high-speed internet to Africa.
Mark Zuckerberg has vowed to continue effort to provide satellite for Africa
An unmanned Falcon 9 rocket was destroyed about two minutes after launched from Florida
Bad weather forced private spaceflight company SpaceX to postpone a daring reusable rocket landing test on Monday (April 13) by at least 24 hours, a delay that also pushed back the delivery of fresh cargo to the International Space Station for NASA.