SpaceX aborts Falcon 9 launch with rare 'Liftoff! Disregard' sequence
 

With both computers and human controllers cautiously watching every single rocket function, it's not unusual for SpaceX to abort a launch. However, yesterday a Falcon 9 rocket was stopped at literally the last second, confusing even the countdown com...

https://www.engadget.com/2020/03/16/...off-disregard/