CAPE CANAVERAL AIR FORCE STATION, Fla. —

UDPATE:

SpaceX has called off Saturday morning’s launch due to upper level winds.  They plan to try again tomorrow at 8:51 a.m. 

PREVIOUS:

Trying again for a fourth time, SpaceX plans to launch its Falcon 9 rocket Saturday morning from Florida's Space Coast.

The launch window opens at 9:21 a.m. ET, according to the 45th Space Wing.

The 45th Weather Squadron is forecasting a 90 percent chance of favorable weather Saturday morning.

SpaceX pushed back the launch of its Falcon 9 rocket from Cape Canaveral Air Force Station on Thursday because of stormy conditions across Central Florida.  

The U.S. Air Force's GPS-3 satellite aboard the Falcon 9 rocket. It's the first in a third generation of satellites that Lockheed-Martin officials say will provide more accurate, secure and versatile information for the military and for the average person.

Watch the launch live on Spectrum News 13 on TV, on the Spectrum TV app on your mobile device, or stream it on our desktop site.