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We’ll have to wait at least one more day to see SpaceX’s powerful Falcon Heavy rocket take to the skies again.
The brawny Falcon Heavy had been scheduled to launch the U.S. Space Force‘s robotic X-37B space plane from Florida on Monday night (Dec. 11), a liftoff known as USSF-52. But about 30 minutes before the planned 8:24 p.m. EST (0124 GMT) liftoff time, SpaceX announced a scrub.
“Standing down from tonight’s Falcon Heavy launch due to a ground side issue; vehicle and payload remain healthy. Team is resetting for the next launch opportunity of the USSF-52 mission, which is no earlier than tomorrow night,” SpaceX wrote via X (formerly known as Twitter).
Whenever USSF-52 lifts off, you can watch it here at Space.com, courtesy of SpaceX.
Related: The Space Force’s secretive X-37B space plane: 10 surprising facts
USSF-52 will be the seventh launch for the reusable, 29-foot-long (8.8 meters) X-37B, which military officials say is primarily a testbed for new instruments and other technologies. Most payloads and other details about X-37B missions are classified.
The first five X-37B missions launched atop United Launch Alliance Atlas V rockets. The most recent one, which landed in November 2022 after 908 days in orbit, lifted off atop a SpaceX Falcon 9.
USSF-52 will be the first X-37B mission to ride atop a Falcon Heavy, which can take the space plane higher than it has ever gone before. And that may indeed happen; the goals of the coming mission “include operating in new orbital regimes, experimenting with space domain awareness technologies and investigating the radiation effects to NASA materials,” Space Force officials wrote in a release last month.
That NASA radiation experiment will expose plant seeds to the harsh environment of space, the release added.
The Falcon Heavy debuted in February 2018, on a highly anticipated test flight that sent SpaceX founder and CEO Elon Musk’s red Tesla Roadster into orbit around the sun.
The heavy lifter has flown eight times to date, including four times this year already. The rocket last flew in October of this year, when it launched NASA’s Psyche asteroid probe.
The X-37B Falcon Heavy launch was originally supposed to happen on Sunday (Dec. 10), but SpaceX pushed the liftoff back a day due to weather concerns.
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