A United Launch Alliance Vulcan Centaur rocket launched on February 12 from Cape Canaveral on a U.S. Space Force mission, sending payloads directly to geosynchronous orbit over 22,000 miles above Earth.

The rocket flew with four solid rocket boosters, which separated about 90 seconds after liftoff, and the Centaur upper stage took roughly 10 hours to deliver all payloads.

Observers noted an irregular plume from one booster, and ULA confirmed a performance anomaly but said the rocket and payloads remained on a nominal trajectory.

About eight hours after launch, ULA confirmed the payloads reached their intended orbits successfully, Space News has reported.

Officials said a full investigation will follow to determine the cause of the booster issue and implement any necessary corrective actions before the next Vulcan mission.