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SpaceX officials have postponed the launch of a Spanish-owned telecommunications satellite from Cape Canaveral planned for this weekend to conduct additional testing on the Falcon 9’s payload fairing pressurization system, the company announced Saturday.

SpaceX’s Falcon 9 rocket is set for liftoff from Cape Canaveral on Tuesday, heading due east over the Atlantic Ocean to deliver the Hispasat 30W-6 communications satellite into orbit around 33 minutes later.

SpaceX’s next launch with a European-built communications satellite has been delayed to no earlier than March 28 to study a problem with a helium pressurization system on the Falcon 9 rocket, officials said Tuesday.