When should the command "Brace brace brace" be repeated?

The command "Brace brace brace" is a critical instruction given in situations where passengers need to prepare for a potential impact. Repeating this command serves as a vital reminder to ensure that all passengers are fully aware and in the correct position to protect themselves. This redundancy helps to reinforce the seriousness of the situation, ensuring that everyone is fully engaged and understands the urgency of the moment.

When the command is repeated, it can cut through any chaos or confusion that may be occurring, helping passengers focus on the necessary action to take. Similar commands are often used in emergency situations across various industries, emphasizing the importance of clear communication in moments of stress. In contrast, the other options do not align with the protocol for emergency situations, which is focused on immediate readiness and response.