What is the purpose of having a countdown during a rocket launch?
There are several reasons for having a countdown during a rocket launch:

1. Synchronization: The countdown helps all teams and systems to synchronize and prepare for the launch. This includes making sure all propellants are loaded, all systems are functional, and all safety checks have been completed.
2. Psychological Preparation: The countdown also provides a sense of anticipation and excitement, as well as giving teams a clear indication that the launch is
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-