True or False: The phrase 'danger close' requires additional information to be passed to attacking aircraft.

The phrase "danger close" indicates that friendly forces are operating in close proximity to the target area, raising the risk of friendly fire. When this designation is communicated, it signals to the attacking aircraft that they need to employ special measures to ensure the safety of friendly troops. This often requires the passing of additional information regarding the specific location of friendly forces, the exact coordinates of the target, and possibly the type of munitions to be used.

Such critical information helps the pilots make informed decisions about their approach and weapon selection, ensuring that they minimize risk while effectively engaging the target. Therefore, stating that the phrase requires additional information to be communicated to attacking aircraft is accurate, as it emphasizes the need for caution and precision in close support operations.