SpaceX has postponed its latest mission to the International Space Station (ISS) after a launch pad problem emerged just hours before liftoff. The unexpected delay leaves two astronauts, Butch Wilmore and Suni Williams, awaiting their replacements after spending nine months aboard the orbiting laboratory.
The issue arose less than four hours before the scheduled evening launch from NASA’s Kennedy Space Center. Engineers detected concerns with a critical hydraulic system responsible for releasing one of the two arms that secure the Falcon rocket to its support structure. This structure needs to tilt back before liftoff, and a malfunction could compromise the safety of the mission.
As countdown clocks continued to tick, the four astronauts set to embark on the journey were already strapped into their Crew Dragon capsule. Ultimately, with less than an hour remaining, SpaceX made the decision to abort the launch for the day.
“Safety is always our top priority,” a SpaceX spokesperson said. “We’re working closely with NASA to resolve the issue and are hopeful for another launch attempt as soon as possible.” The company indicated that the next opportunity could come as early as Thursday night, pending resolution of the hydraulic problem.
Once the new crew arrives at the ISS, Wilmore and Williams are scheduled to return to Earth after an extended mission that began in June. Their prolonged stay was necessitated by complications with Boeing’s Starliner capsule, which experienced significant breakdowns during its transit to the station.
The Starliner’s debut crewed flight was initially planned to last just a week. However, due to technical issues, NASA instructed the capsule to return without passengers, transferring Wilmore and Williams’ return journey to SpaceX’s Crew Dragon.
This delay adds another chapter to the ongoing challenges faced in maintaining and rotating crews aboard the ISS. Both NASA and its commercial partners continue to emphasize safety and reliability as they navigate the complexities of human spaceflight.
Reference(s):
cgtn.com