Live coverage: Two satellites lift off aboard Ariane 5

A United Launch Alliance Atlas 5 rocket lifted off Friday from Vandenberg Air Force Base in California with a classified payload for the National Reconnaissance Office. Launch occurred at 7:19 p.m. PST (10:19 p.m. EST; 0319 GMT).

If you plan to watch athletes compete on the track or in the water during this year’s Summer Olympics in Rio de Janeiro, there’s a good chance the television signals will be relayed from Brazil using a new Eutelsat communications satellite launched Wednesday aboard an Ariane 5 rocket.

SpaceX’s next Falcon 9 rocket arrived at launch pad 39A Thursday for a customary hold-down engine firing. Liftoff from Florida’s Space Coast is targeted for Sunday, weather permitting.