The aim of the ambitious Starlink project is to provide global internet coverage with low lag times by launching around 12,000 satellites into low-Earth orbit.
To the sound of applause, the rocket launched from Space Launch Complex 40 at Cape Canaveral Air Force Station, Florida.
If successful, the probe will be the first privately funded unmanned spacecraft to land on the moon.
SpaceX is launching a Falcon 9 rocket that will carry tons of scientific supplies to the International Space Station aboard a Dragon spacecraft.
The launch created an extremely rare, perfectly circular shock wave.
Unusually for SpaceX, the company is not trying to recapture and reuse this Falcon 9 rocket.
SpaceX will try and salvage the rocket from its watery grave.
Experts weigh in on the mystery.
The secret craft could have plunged back through the atmosphere.
Even Elon Musk hasn't revealed the restricted Zuma contents.
Keep your eyes on the road.
The SpaceX founder joked with confused Twitter users saying his Falcon 9 rocket was a nuclear alien UFO from North Korea.
The astronauts also have plans to see the new "Star Wars" movie.
Friday's Falcon 9 launch and landing was succesful, perhaps ushering in an age of reusable rockets.
"No one was injured and all safety protocols were followed during the time of this incident," read a statement. "We are now conducting a thorough and fully transparent investigation of the root cause."
Elon Musk's company eyes a return to action on January 8 from California.
A timeline of the company's attempts to launch a rocket and land it back on Earth intact.