Boeing acknowledges “gaps” in its Starliner software testing

Enlarge / Starliner touches down in December. (credit: NASA/Aubrey Gemignani)

On Friday, during a detailed, 75-minute briefing with reporters, a key Boeing spaceflight official sought to be as clear as possible about the company's troubles with its Starliner spacecraft.

After an uncrewed test flight in December of the spacecraft, Boeing "learned some hard lessons," said John Mulholland, a vice president who manages the company's commercial crew program. The December mission landed safely but suffered two serious software problems. Now, Mulholland said, Boeing will work hard to rebuild trust between the company and the vehicle's customer, NASA. During the last decade, NASA has paid Boeing a total of $4.8 billion to develop a safe capsule to fly US astronauts to and from the International Space Station.

At the outset of the briefing, Mulholland sought to provide information about the vehicle's performance, including its life support systems, heat shield, guidance, and navigation. He noted that there were relatively few issues discovered. However, when he invited questions from reporters, the focus quickly turned to software. In particular, Mulholland was asked several times how the company made decisions on procedures for testing flight software before the mission-which led to the two mistakes.

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