SpaceX today was forced to scrub the launch of a Dragon spacecraft that has been to space before.

“Standing down due to lightning,” SpaceX said on Twitter about 20 minutes before the scheduled liftoff.

The Hawthorne, California company, founded by Elon Musk, will try again at 5:07 p.m. on Saturday.

The CRS-11 mission was set to take off aboard a Falcon 9 rocket at 5:55 p.m. Eastern time from Launch Complex 39A at Kennedy Space Center in Florida carrying nearly 6,000 pounds of supplies and payloads…