During which scenario should personnel be moved to a safe distance immediately?

When a projectile is fired from the cannon, it is crucial to move personnel to a safe distance immediately due to the inherent dangers involved in the firing process. Firing a projectile can create a variety of hazards, including blast effects, projectile ricochet, and potential malfunction of the equipment, which could lead to harmful incidents. Ensuring that personnel are at a safe distance minimizes the risk of injury and enhances safety protocols during live firing operations.

The other scenarios do not warrant immediate movement to a safe distance. For instance, if the cannon tube cools down, it indicates a normal operating procedure that does not pose a direct threat. No hangfire detection suggests the absence of any firing malfunctions, allowing personnel to remain in their designated positions safely. Similarly, unloading a canister, if done safely, adheres to standard protocols and does not necessitate immediate evacuation. Therefore, immediate movement should focus on situations involving active firing to safeguard the personnel.