A SpaceX Falcon Heavy rocket is poised to launch the X-37B space plane for the U.S. Space Force on Monday evening (Dec. 11) after a one-day delay due to weather, and you can likely watch the action live.

Liftoff of the Falcon Heavy is scheduled to occur from Launch Complex-39A at NASA’s Kennedy Space Center in Florida, during a 10-minute window that opens at 8:14 p.m. EST (0114 GMT Dec. 12). If, as expected, SpaceX webcasts the liftoff, you can watch it live here at Space.com. SpaceX announced its delay of the flight by 24 hours early Sunday.

“Now targeting Monday, December 11 for Falcon Heavy’s launch of the USSF-52 mission, with weather conditions forecasted to improve to 70% favorable for liftoff on Monday night,” SpaceX wrote on X (formerly Twitter). “The team will use the time to complete additional pre-launch check outs.”

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