What happens to a high angle trajectory request once it is made?

When a high angle trajectory request is made, it remains until cancelled. This means that the request stays active and continues to be considered until it is specifically rescinded by the requestor. The nature of high angle trajectory requests often involves intricate fire support operations where adjustments may be necessary based on changing battlefield conditions or new tactical considerations. These requests provide the command with a versatile option for engaging targets, particularly in situations where direct fire would be inappropriate or impossible due to obstacles or the location of friendly forces.

Understanding this aspect is crucial for effective communication and coordination in military operations, as it allows for ongoing support while ensuring flexibility in response to dynamic situations on the ground. The other options, while they may highlight various aspects of fire support or operational procedures, do not accurately capture the longevity and continuity of a high angle trajectory request once initiated.