What happens if the arming switch is removed during a countdown?

Removing the arming switch during a countdown disables the entire launch control system. This action serves as a safety mechanism to prevent an unintended launch. The arming switch is critical for activating the systems that would allow the rocket to engage the ignition sequence. When it is removed, the necessary circuits are interrupted, effectively stopping the countdown and ensuring that the launch can only proceed when deliberate and safe actions are taken. This is an essential safety protocol in launch procedures to prevent accidental launches and maintain control over the system during sensitive countdown operations.