Two launch aborts delayed Saturday's launch of a rocket with almost all 3D-printed elements.
Relativity Space's Terran rocket stood on its pad after its engines started and shut down.
Due to on-board flight computers, 3D-printed rocket countdown reset with 45 seconds left.
Automation software and low fuel pressure caused Relativity Space's afternoon issues.
Wednesday's launch attempt was cancelled after one minute due to a faulty valve.
As of right now, the corporation has not indicated if or when it planned to attempt again.
Long Beach HQ prints 85% of Relativity's 110ft 3D-printed rocket, including engines.
3D metal print for Relativity's test flight to bring it into low orbit with second stage.
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