4K Video: Watch the Falcon 9 test fire its 1st stage engines (members only)

SpaceX’s Falcon 9 rocket lifted off Sunday from Vandenberg Air Force Base in California and carried 10 Iridium communications satellites toward a perch in low Earth orbit, then the launcher’s first stage nailed a landing on a platform positioned in the Pacific Ocean.

The Koreasat-6A mission took off from Launch Complex 39 A at at NASA’s Kennedy Space Center at 12:22 p.m. EST (1722 UTC).

SpaceX called off the planned launch of a Falcon 9 rocket Friday at Cape Canaveral, halting the countdown less than a minute before liftoff to allow time to perform additional ground system checkouts before the mission’s next launch opportunity no earlier than Sunday.