When using the command “At my command,” what response is expected from the Fire Direction Center?

When the command “At my command” is issued, it indicates that the observer will provide instructions for when to fire, rather than firing immediately. The expected response from the Fire Direction Center is "Weapons ready." This response ensures that the artillery or weapon systems are prepared to engage as soon as the observer gives the command to commence fire.

In this context, “Weapons ready” implies that the Fire Direction Center is poised and prepared to execute the fire mission based on the impending instructions. This shows that the necessary preparations have been made and the personnel are alert to respond when the observer gives the command to fire. This is crucial for maintaining a timely and coordinated response to the observer's commands, ensuring that assets can be utilized effectively during operations.

The other options do not align with the specific command given. "Commence fire" indicates an immediate start to firing, while "Standby" might suggest readiness but doesn't emphasize the preparation to fire upon the observer's command. "Check fire" would suggest stopping or ceasing fire and is not relevant in this context.