Now there's a creepy, sonar-like sound coming through one of Starliner's speakers

Astronaut Butch Wilmore alerted NASA's Mission Control about an unexplained 'strange noise' coming from a speaker in the spacecraft, adding a layer of mystery before Starliner's return.

After confirming they could hear the sound too, the flight controller in Houston described it as 'kind of like a pulsing noise, almost like a sonar ping,' raising further curiosity.

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