Countdown Halted: Boeing’s Starliner Mission Faces Unexpected Delay

As an Amazon Associate I earn from qualifying purchases.

In a last-minute decision, NASA officials have postponed the highly anticipated launch of Boeing’s Starliner spacecraft, just two hours before the scheduled liftoff. The mission, which was set to carry astronauts Butch Wilmore and Suni Williams to the International Space Station (ISS), has been delayed due to a potential issue with an oxygen relief valve in the Atlas rocket, which is operated by the United Launch Alliance (ULA).

The Starliner spacecraft itself, which sits atop the Atlas rocket, is not the source of the problem. According to the flight engineers, the valve in the rocket had been rapidly opening and closing in the period leading up to the launch, prompting the decision to abort the countdown.

The flight team is currently analyzing the data to determine the extent of the issue. If the valve has exceeded its operational life, ULA’s engineers will need to replace it, a process they estimate can be completed within a few days.

“Standing down on tonight’s attempt to launch,” tweeted NASA Administrator Bill Nelson. “As I’ve said before, NASA’s first priority is safety. We go when we’re ready.”

This latest delay is a setback for Boeing’s Starliner program, which has already faced several years of delays and technical challenges. The spacecraft’s first uncrewed test flight was originally scheduled for 2015 but was ultimately delayed until 2019. When the test flight did occur, software glitches led to an internal clock malfunction, resulting in the capsule’s thrusters over-firing and consuming too much fuel to reach the ISS.

A second attempt was planned for August 2021 but was postponed until May 2022 due to an issue with the propulsion system. Although the Starliner did manage to complete its full mission when it finally launched, concerns were raised about the performance of some thrusters and the craft’s cooling system.

Despite these setbacks, Boeing remains committed to becoming the second private firm, after Elon Musk’s SpaceX provide crew transport to and from the ISS. SpaceX’s Dragon capsule achieved this milestone in 2020, marking the end of a nearly decade-long reliance on Russian space rockets for American astronauts.

The soonest a new launch attempt for the Starliner mission may be made is on Friday, according to a post on Boeing’s social media channels. NASA and its partners will continue to closely monitor the situation and ensure the safety of the astronauts before proceeding with the launch.

Amazon and the Amazon logo are trademarks of, Inc, or its affiliates.

Leave a Reply

Your email address will not be published. Required fields are marked *