Which of the following firepower timing options implies that all units engage at the same time?

The timing option described as simultaneous means that all units are instructed to engage their targets at the exact same moment. This approach is strategic in nature, as it maximizes the impact of firepower by overwhelming adversaries and creating confusion. When multiple units strike together, it increases the shock effect and potential for destruction, making it difficult for the enemy to respond effectively.

In contrast, sequential timing would involve units engaging their targets one after the other, which could allow the enemy to react between attacks and potentially mitigate the overall effectiveness of the fire. Random timing does not provide a structured approach, and thus lacks the coordinated effectiveness that simultaneous engagements offer. Deliberate timing typically involves careful planning and pacing of attacks rather than an all-at-once execution. The choice of simultaneous timing is critical for achieving strategic objectives, ensuring all assets contribute to a unified effort in combat operations.