What is the purpose of having a countdown during a rocket launch?
During a rocket launch, the countdown is a series of time checks and confirmation announcements that provide critical information for both the launch team and mission controllers. The countdown confirms the readiness of all systems, provides the opportunity to abort the mission if an issue is identified, and sets the exact time for ignition.

The countdown sequence typically starts several hours before lift-off, with the team checking various systems such as fuel levels, engine temperatures,
First, the countdown has a technical function: It enables the sequential execution of several preparatory actions that must be accomplished before the launch.

It is a way of coordinating and executing a series of complex processes that need to occur in a specific order leading up to ignition. The countdown sequence covers the following stages:

1. Propellant loading: Filling the rocket's tanks with fuel and oxidizer.
2. Power-