Watch the Falcon Heavy fire up its engines

The launch from Vandenberg Space Force Base included 13 Starlink satellites that include Direct to Cell capabilities. Liftoff from pad 4E happened at 9:53 p.m. PST (12:53 a.m. EST, 0553 UTC).

A SpaceX Falcon 9 rocket and Crew Dragon capsule were raised vertical at launch pad 39A in Florida late Thursday, setting the stage for a launch day dress rehearsal Friday with NASA astronauts Doug Hurley and Bob Behnken — the veteran space fliers assigned to the Crew Dragon’s first piloted mission later this year — before a critical in-flight test of the ship’s emergency escape system Saturday.

A communications satellite developed in a public-private partnership between Luxembourg government and SES is set for launch Tuesday aboard a previously-flown SpaceX Falcon 9 booster from Cape Canaveral, ready for a 15-year mission beaming encrypted, jam-resistant signals for security and military forces across Europe, Africa and the Middle East.